diff --git a/baselines/audioworklet.generated.d.ts b/baselines/audioworklet.generated.d.ts
index dc7ea4402..ebcbe36ef 100644
--- a/baselines/audioworklet.generated.d.ts
+++ b/baselines/audioworklet.generated.d.ts
@@ -1887,7 +1887,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index 36efec21a..3f701abb8 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -192,7 +192,7 @@ interface AudioWorkletNodeOptions extends AudioNodeOptions {
     numberOfOutputs?: number;
     outputChannelCount?: number[];
     parameterData?: Record<string, number>;
-    processorOptions?: any;
+    processorOptions?: object;
 }
 
 interface AuthenticationExtensionsClientInputs {
@@ -1859,14 +1859,14 @@ interface PaymentDetailsInit extends PaymentDetailsBase {
 
 interface PaymentDetailsModifier {
     additionalDisplayItems?: PaymentItem[];
-    data?: any;
+    data?: object;
     supportedMethods: string;
     total?: PaymentItem;
 }
 
 interface PaymentDetailsUpdate extends PaymentDetailsBase {
     error?: string;
-    paymentMethodErrors?: any;
+    paymentMethodErrors?: object;
     shippingAddressErrors?: AddressErrors;
     total?: PaymentItem;
 }
@@ -1878,12 +1878,12 @@ interface PaymentItem {
 }
 
 interface PaymentMethodChangeEventInit extends PaymentRequestUpdateEventInit {
-    methodDetails?: any;
+    methodDetails?: object | null;
     methodName?: string;
 }
 
 interface PaymentMethodData {
-    data?: any;
+    data?: object;
     supportedMethods: string;
 }
 
@@ -12172,7 +12172,7 @@ interface DOMMatrixReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     /**
      * The **`transformPoint`** method of the DOMMatrixReadOnly interface creates a new DOMPoint object, transforming a specified point by the matrix. Neither the matrix nor the original point are altered.
      *
@@ -12317,7 +12317,7 @@ interface DOMPointReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMPointReadOnly: {
@@ -12372,7 +12372,7 @@ interface DOMQuad {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMQuad: {
@@ -12523,7 +12523,7 @@ interface DOMRectReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMRectReadOnly: {
@@ -12970,9 +12970,9 @@ declare var DeviceOrientationEvent: {
 
 /** Available only in secure contexts. */
 interface DigitalCredential extends Credential {
-    readonly data: any;
+    readonly data: object;
     readonly protocol: string;
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DigitalCredential: {
@@ -17119,7 +17119,7 @@ interface GeolocationCoordinates {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationCoordinates/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var GeolocationCoordinates: {
@@ -17151,7 +17151,7 @@ interface GeolocationPosition {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationPosition/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var GeolocationPosition: {
@@ -23895,7 +23895,7 @@ interface LargestContentfulPaint extends PerformanceEntry, PaintTimingMixin {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/LargestContentfulPaint/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var LargestContentfulPaint: {
@@ -24372,7 +24372,7 @@ interface MediaDeviceInfo {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaDeviceInfo/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var MediaDeviceInfo: {
@@ -27786,7 +27786,7 @@ interface PaymentAddress {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContactAddress/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PaymentAddress: {
@@ -27806,7 +27806,7 @@ interface PaymentMethodChangeEvent extends PaymentRequestUpdateEvent {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentMethodChangeEvent/methodDetails)
      */
-    readonly methodDetails: any;
+    readonly methodDetails: object | null;
     /**
      * The read-only **`methodName`** property of the PaymentMethodChangeEvent interface is a string which uniquely identifies the payment handler currently selected by the user. The payment handler may be a payment technology, such as Apple Pay or Android Pay, and each payment handler may support multiple payment methods; changes to the payment method within the payment handler are described by the PaymentMethodChangeEvent.
      *
@@ -27939,7 +27939,7 @@ interface PaymentResponse extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/details)
      */
-    readonly details: any;
+    readonly details: object;
     /**
      * The **`methodName`** read-only property of the PaymentResponse interface returns a string uniquely identifying the payment handler selected by the user.
      *
@@ -28001,7 +28001,7 @@ interface PaymentResponse extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PaymentResponseEventMap>(type: K, listener: (this: PaymentResponse, ev: PaymentResponseEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PaymentResponseEventMap>(type: K, listener: (this: PaymentResponse, ev: PaymentResponseEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -28122,7 +28122,7 @@ interface Performance extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -28169,7 +28169,7 @@ interface PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEntry: {
@@ -28218,7 +28218,7 @@ interface PerformanceEventTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEventTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEventTiming: {
@@ -28291,7 +28291,7 @@ interface PerformanceNavigation {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigation/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     readonly TYPE_NAVIGATE: 0;
     readonly TYPE_RELOAD: 1;
     readonly TYPE_BACK_FORWARD: 2;
@@ -28379,7 +28379,7 @@ interface PerformanceNavigationTiming extends PerformanceResourceTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigationTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceNavigationTiming: {
@@ -28466,7 +28466,7 @@ interface PerformancePaintTiming extends PerformanceEntry, PaintTimingMixin {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformancePaintTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformancePaintTiming: {
@@ -28623,7 +28623,7 @@ interface PerformanceResourceTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceResourceTiming: {
@@ -28660,7 +28660,7 @@ interface PerformanceServerTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceServerTiming: {
@@ -28828,7 +28828,7 @@ interface PerformanceTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 /** @deprecated */
@@ -30373,7 +30373,7 @@ interface RTCRtpScriptTransform {
 
 declare var RTCRtpScriptTransform: {
     prototype: RTCRtpScriptTransform;
-    new(workerOrWorkerAndParameters: Worker, options?: any, transfer?: any[]): RTCRtpScriptTransform;
+    new(workerOrWorkerAndParameters: Worker, options?: any, transfer?: object[]): RTCRtpScriptTransform;
 };
 
 /**
@@ -30588,7 +30588,7 @@ declare var RTCSessionDescription: {
  * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCStatsReport)
  */
 interface RTCStatsReport {
-    forEach(callbackfn: (value: any, key: string, parent: RTCStatsReport) => void, thisArg?: any): void;
+    forEach(callbackfn: (value: object, key: string, parent: RTCStatsReport) => void, thisArg?: any): void;
 }
 
 declare var RTCStatsReport: {
@@ -40973,7 +40973,7 @@ interface WebGLRenderingContextBase {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getError) */
     getError(): GLenum;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getExtension) */
-    getExtension(name: string): any;
+    getExtension(name: string): object | null;
     getExtension(extensionName: "ANGLE_instanced_arrays"): ANGLE_instanced_arrays | null;
     getExtension(extensionName: "EXT_blend_minmax"): EXT_blend_minmax | null;
     getExtension(extensionName: "EXT_color_buffer_float"): EXT_color_buffer_float | null;
@@ -43688,7 +43688,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
@@ -45725,7 +45725,7 @@ interface RTCRtpTransceiver {
     setCodecPreferences(codecs: Iterable<RTCRtpCodec>): void;
 }
 
-interface RTCStatsReport extends ReadonlyMap<string, any> {
+interface RTCStatsReport extends ReadonlyMap<string, object> {
 }
 
 interface SVGLengthList {
diff --git a/baselines/serviceworker.generated.d.ts b/baselines/serviceworker.generated.d.ts
index 8cb951d64..9f80227ff 100644
--- a/baselines/serviceworker.generated.d.ts
+++ b/baselines/serviceworker.generated.d.ts
@@ -3225,7 +3225,7 @@ interface DOMMatrixReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     /**
      * The **`transformPoint`** method of the DOMMatrixReadOnly interface creates a new DOMPoint object, transforming a specified point by the matrix. Neither the matrix nor the original point are altered.
      *
@@ -3347,7 +3347,7 @@ interface DOMPointReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMPointReadOnly: {
@@ -3402,7 +3402,7 @@ interface DOMQuad {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMQuad: {
@@ -3524,7 +3524,7 @@ interface DOMRectReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMRectReadOnly: {
@@ -7458,7 +7458,7 @@ interface Performance extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -7505,7 +7505,7 @@ interface PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEntry: {
@@ -7768,7 +7768,7 @@ interface PerformanceResourceTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceResourceTiming: {
@@ -7805,7 +7805,7 @@ interface PerformanceServerTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceServerTiming: {
@@ -11562,7 +11562,7 @@ interface WebGLRenderingContextBase {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getError) */
     getError(): GLenum;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getExtension) */
-    getExtension(name: string): any;
+    getExtension(name: string): object | null;
     getExtension(extensionName: "ANGLE_instanced_arrays"): ANGLE_instanced_arrays | null;
     getExtension(extensionName: "EXT_blend_minmax"): EXT_blend_minmax | null;
     getExtension(extensionName: "EXT_color_buffer_float"): EXT_color_buffer_float | null;
@@ -13244,7 +13244,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/sharedworker.generated.d.ts b/baselines/sharedworker.generated.d.ts
index 5b0dd9d68..ec64d8b01 100644
--- a/baselines/sharedworker.generated.d.ts
+++ b/baselines/sharedworker.generated.d.ts
@@ -3006,7 +3006,7 @@ interface DOMMatrixReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     /**
      * The **`transformPoint`** method of the DOMMatrixReadOnly interface creates a new DOMPoint object, transforming a specified point by the matrix. Neither the matrix nor the original point are altered.
      *
@@ -3128,7 +3128,7 @@ interface DOMPointReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMPointReadOnly: {
@@ -3183,7 +3183,7 @@ interface DOMQuad {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMQuad: {
@@ -3305,7 +3305,7 @@ interface DOMRectReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMRectReadOnly: {
@@ -7116,7 +7116,7 @@ interface Performance extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -7163,7 +7163,7 @@ interface PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEntry: {
@@ -7426,7 +7426,7 @@ interface PerformanceResourceTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceResourceTiming: {
@@ -7463,7 +7463,7 @@ interface PerformanceServerTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceServerTiming: {
@@ -11105,7 +11105,7 @@ interface WebGLRenderingContextBase {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getError) */
     getError(): GLenum;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getExtension) */
-    getExtension(name: string): any;
+    getExtension(name: string): object | null;
     getExtension(extensionName: "ANGLE_instanced_arrays"): ANGLE_instanced_arrays | null;
     getExtension(extensionName: "EXT_blend_minmax"): EXT_blend_minmax | null;
     getExtension(extensionName: "EXT_color_buffer_float"): EXT_color_buffer_float | null;
@@ -12970,7 +12970,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/ts5.5/audioworklet.generated.d.ts b/baselines/ts5.5/audioworklet.generated.d.ts
index b60857baa..61e57cb2c 100644
--- a/baselines/ts5.5/audioworklet.generated.d.ts
+++ b/baselines/ts5.5/audioworklet.generated.d.ts
@@ -1884,7 +1884,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/ts5.5/dom.generated.d.ts b/baselines/ts5.5/dom.generated.d.ts
index cfc5d9125..af4afdc33 100644
--- a/baselines/ts5.5/dom.generated.d.ts
+++ b/baselines/ts5.5/dom.generated.d.ts
@@ -189,7 +189,7 @@ interface AudioWorkletNodeOptions extends AudioNodeOptions {
     numberOfOutputs?: number;
     outputChannelCount?: number[];
     parameterData?: Record<string, number>;
-    processorOptions?: any;
+    processorOptions?: object;
 }
 
 interface AuthenticationExtensionsClientInputs {
@@ -1856,14 +1856,14 @@ interface PaymentDetailsInit extends PaymentDetailsBase {
 
 interface PaymentDetailsModifier {
     additionalDisplayItems?: PaymentItem[];
-    data?: any;
+    data?: object;
     supportedMethods: string;
     total?: PaymentItem;
 }
 
 interface PaymentDetailsUpdate extends PaymentDetailsBase {
     error?: string;
-    paymentMethodErrors?: any;
+    paymentMethodErrors?: object;
     shippingAddressErrors?: AddressErrors;
     total?: PaymentItem;
 }
@@ -1875,12 +1875,12 @@ interface PaymentItem {
 }
 
 interface PaymentMethodChangeEventInit extends PaymentRequestUpdateEventInit {
-    methodDetails?: any;
+    methodDetails?: object | null;
     methodName?: string;
 }
 
 interface PaymentMethodData {
-    data?: any;
+    data?: object;
     supportedMethods: string;
 }
 
@@ -12161,7 +12161,7 @@ interface DOMMatrixReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     /**
      * The **`transformPoint`** method of the DOMMatrixReadOnly interface creates a new DOMPoint object, transforming a specified point by the matrix. Neither the matrix nor the original point are altered.
      *
@@ -12306,7 +12306,7 @@ interface DOMPointReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMPointReadOnly: {
@@ -12361,7 +12361,7 @@ interface DOMQuad {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMQuad: {
@@ -12512,7 +12512,7 @@ interface DOMRectReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMRectReadOnly: {
@@ -12959,9 +12959,9 @@ declare var DeviceOrientationEvent: {
 
 /** Available only in secure contexts. */
 interface DigitalCredential extends Credential {
-    readonly data: any;
+    readonly data: object;
     readonly protocol: string;
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DigitalCredential: {
@@ -17105,7 +17105,7 @@ interface GeolocationCoordinates {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationCoordinates/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var GeolocationCoordinates: {
@@ -17137,7 +17137,7 @@ interface GeolocationPosition {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationPosition/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var GeolocationPosition: {
@@ -23871,7 +23871,7 @@ interface LargestContentfulPaint extends PerformanceEntry, PaintTimingMixin {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/LargestContentfulPaint/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var LargestContentfulPaint: {
@@ -24348,7 +24348,7 @@ interface MediaDeviceInfo {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaDeviceInfo/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var MediaDeviceInfo: {
@@ -27762,7 +27762,7 @@ interface PaymentAddress {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContactAddress/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PaymentAddress: {
@@ -27782,7 +27782,7 @@ interface PaymentMethodChangeEvent extends PaymentRequestUpdateEvent {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentMethodChangeEvent/methodDetails)
      */
-    readonly methodDetails: any;
+    readonly methodDetails: object | null;
     /**
      * The read-only **`methodName`** property of the PaymentMethodChangeEvent interface is a string which uniquely identifies the payment handler currently selected by the user. The payment handler may be a payment technology, such as Apple Pay or Android Pay, and each payment handler may support multiple payment methods; changes to the payment method within the payment handler are described by the PaymentMethodChangeEvent.
      *
@@ -27915,7 +27915,7 @@ interface PaymentResponse extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/details)
      */
-    readonly details: any;
+    readonly details: object;
     /**
      * The **`methodName`** read-only property of the PaymentResponse interface returns a string uniquely identifying the payment handler selected by the user.
      *
@@ -27977,7 +27977,7 @@ interface PaymentResponse extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PaymentResponseEventMap>(type: K, listener: (this: PaymentResponse, ev: PaymentResponseEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PaymentResponseEventMap>(type: K, listener: (this: PaymentResponse, ev: PaymentResponseEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -28098,7 +28098,7 @@ interface Performance extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -28145,7 +28145,7 @@ interface PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEntry: {
@@ -28194,7 +28194,7 @@ interface PerformanceEventTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEventTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEventTiming: {
@@ -28267,7 +28267,7 @@ interface PerformanceNavigation {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigation/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     readonly TYPE_NAVIGATE: 0;
     readonly TYPE_RELOAD: 1;
     readonly TYPE_BACK_FORWARD: 2;
@@ -28355,7 +28355,7 @@ interface PerformanceNavigationTiming extends PerformanceResourceTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigationTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceNavigationTiming: {
@@ -28442,7 +28442,7 @@ interface PerformancePaintTiming extends PerformanceEntry, PaintTimingMixin {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformancePaintTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformancePaintTiming: {
@@ -28599,7 +28599,7 @@ interface PerformanceResourceTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceResourceTiming: {
@@ -28636,7 +28636,7 @@ interface PerformanceServerTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceServerTiming: {
@@ -28804,7 +28804,7 @@ interface PerformanceTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 /** @deprecated */
@@ -30349,7 +30349,7 @@ interface RTCRtpScriptTransform {
 
 declare var RTCRtpScriptTransform: {
     prototype: RTCRtpScriptTransform;
-    new(workerOrWorkerAndParameters: Worker, options?: any, transfer?: any[]): RTCRtpScriptTransform;
+    new(workerOrWorkerAndParameters: Worker, options?: any, transfer?: object[]): RTCRtpScriptTransform;
 };
 
 /**
@@ -30564,7 +30564,7 @@ declare var RTCSessionDescription: {
  * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCStatsReport)
  */
 interface RTCStatsReport {
-    forEach(callbackfn: (value: any, key: string, parent: RTCStatsReport) => void, thisArg?: any): void;
+    forEach(callbackfn: (value: object, key: string, parent: RTCStatsReport) => void, thisArg?: any): void;
 }
 
 declare var RTCStatsReport: {
@@ -40947,7 +40947,7 @@ interface WebGLRenderingContextBase {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getError) */
     getError(): GLenum;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getExtension) */
-    getExtension(name: string): any;
+    getExtension(name: string): object | null;
     getExtension(extensionName: "ANGLE_instanced_arrays"): ANGLE_instanced_arrays | null;
     getExtension(extensionName: "EXT_blend_minmax"): EXT_blend_minmax | null;
     getExtension(extensionName: "EXT_color_buffer_float"): EXT_color_buffer_float | null;
@@ -43662,7 +43662,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/ts5.5/dom.iterable.generated.d.ts b/baselines/ts5.5/dom.iterable.generated.d.ts
index 45eabeefd..972432637 100644
--- a/baselines/ts5.5/dom.iterable.generated.d.ts
+++ b/baselines/ts5.5/dom.iterable.generated.d.ts
@@ -353,7 +353,7 @@ interface RTCRtpTransceiver {
     setCodecPreferences(codecs: Iterable<RTCRtpCodec>): void;
 }
 
-interface RTCStatsReport extends ReadonlyMap<string, any> {
+interface RTCStatsReport extends ReadonlyMap<string, object> {
 }
 
 interface SVGLengthList {
diff --git a/baselines/ts5.5/serviceworker.generated.d.ts b/baselines/ts5.5/serviceworker.generated.d.ts
index a0d7fea68..a2c79d222 100644
--- a/baselines/ts5.5/serviceworker.generated.d.ts
+++ b/baselines/ts5.5/serviceworker.generated.d.ts
@@ -3222,7 +3222,7 @@ interface DOMMatrixReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     /**
      * The **`transformPoint`** method of the DOMMatrixReadOnly interface creates a new DOMPoint object, transforming a specified point by the matrix. Neither the matrix nor the original point are altered.
      *
@@ -3344,7 +3344,7 @@ interface DOMPointReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMPointReadOnly: {
@@ -3399,7 +3399,7 @@ interface DOMQuad {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMQuad: {
@@ -3521,7 +3521,7 @@ interface DOMRectReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMRectReadOnly: {
@@ -7455,7 +7455,7 @@ interface Performance extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -7502,7 +7502,7 @@ interface PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEntry: {
@@ -7765,7 +7765,7 @@ interface PerformanceResourceTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceResourceTiming: {
@@ -7802,7 +7802,7 @@ interface PerformanceServerTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceServerTiming: {
@@ -11559,7 +11559,7 @@ interface WebGLRenderingContextBase {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getError) */
     getError(): GLenum;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getExtension) */
-    getExtension(name: string): any;
+    getExtension(name: string): object | null;
     getExtension(extensionName: "ANGLE_instanced_arrays"): ANGLE_instanced_arrays | null;
     getExtension(extensionName: "EXT_blend_minmax"): EXT_blend_minmax | null;
     getExtension(extensionName: "EXT_color_buffer_float"): EXT_color_buffer_float | null;
@@ -13241,7 +13241,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/ts5.5/sharedworker.generated.d.ts b/baselines/ts5.5/sharedworker.generated.d.ts
index f6424baa7..d9d8bcb28 100644
--- a/baselines/ts5.5/sharedworker.generated.d.ts
+++ b/baselines/ts5.5/sharedworker.generated.d.ts
@@ -3003,7 +3003,7 @@ interface DOMMatrixReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     /**
      * The **`transformPoint`** method of the DOMMatrixReadOnly interface creates a new DOMPoint object, transforming a specified point by the matrix. Neither the matrix nor the original point are altered.
      *
@@ -3125,7 +3125,7 @@ interface DOMPointReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMPointReadOnly: {
@@ -3180,7 +3180,7 @@ interface DOMQuad {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMQuad: {
@@ -3302,7 +3302,7 @@ interface DOMRectReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMRectReadOnly: {
@@ -7113,7 +7113,7 @@ interface Performance extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -7160,7 +7160,7 @@ interface PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEntry: {
@@ -7423,7 +7423,7 @@ interface PerformanceResourceTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceResourceTiming: {
@@ -7460,7 +7460,7 @@ interface PerformanceServerTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceServerTiming: {
@@ -11102,7 +11102,7 @@ interface WebGLRenderingContextBase {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getError) */
     getError(): GLenum;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getExtension) */
-    getExtension(name: string): any;
+    getExtension(name: string): object | null;
     getExtension(extensionName: "ANGLE_instanced_arrays"): ANGLE_instanced_arrays | null;
     getExtension(extensionName: "EXT_blend_minmax"): EXT_blend_minmax | null;
     getExtension(extensionName: "EXT_color_buffer_float"): EXT_color_buffer_float | null;
@@ -12967,7 +12967,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/ts5.5/webworker.generated.d.ts b/baselines/ts5.5/webworker.generated.d.ts
index 7ec31a503..655602125 100644
--- a/baselines/ts5.5/webworker.generated.d.ts
+++ b/baselines/ts5.5/webworker.generated.d.ts
@@ -3729,7 +3729,7 @@ interface DOMMatrixReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     /**
      * The **`transformPoint`** method of the DOMMatrixReadOnly interface creates a new DOMPoint object, transforming a specified point by the matrix. Neither the matrix nor the original point are altered.
      *
@@ -3851,7 +3851,7 @@ interface DOMPointReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMPointReadOnly: {
@@ -3906,7 +3906,7 @@ interface DOMQuad {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMQuad: {
@@ -4028,7 +4028,7 @@ interface DOMRectReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMRectReadOnly: {
@@ -8357,7 +8357,7 @@ interface Performance extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -8404,7 +8404,7 @@ interface PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEntry: {
@@ -8667,7 +8667,7 @@ interface PerformanceResourceTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceResourceTiming: {
@@ -8704,7 +8704,7 @@ interface PerformanceServerTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceServerTiming: {
@@ -13143,7 +13143,7 @@ interface WebGLRenderingContextBase {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getError) */
     getError(): GLenum;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getExtension) */
-    getExtension(name: string): any;
+    getExtension(name: string): object | null;
     getExtension(extensionName: "ANGLE_instanced_arrays"): ANGLE_instanced_arrays | null;
     getExtension(extensionName: "EXT_blend_minmax"): EXT_blend_minmax | null;
     getExtension(extensionName: "EXT_color_buffer_float"): EXT_color_buffer_float | null;
@@ -15051,7 +15051,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/ts5.6/audioworklet.generated.d.ts b/baselines/ts5.6/audioworklet.generated.d.ts
index b60857baa..61e57cb2c 100644
--- a/baselines/ts5.6/audioworklet.generated.d.ts
+++ b/baselines/ts5.6/audioworklet.generated.d.ts
@@ -1884,7 +1884,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/ts5.6/dom.generated.d.ts b/baselines/ts5.6/dom.generated.d.ts
index 066bae672..069428384 100644
--- a/baselines/ts5.6/dom.generated.d.ts
+++ b/baselines/ts5.6/dom.generated.d.ts
@@ -189,7 +189,7 @@ interface AudioWorkletNodeOptions extends AudioNodeOptions {
     numberOfOutputs?: number;
     outputChannelCount?: number[];
     parameterData?: Record<string, number>;
-    processorOptions?: any;
+    processorOptions?: object;
 }
 
 interface AuthenticationExtensionsClientInputs {
@@ -1856,14 +1856,14 @@ interface PaymentDetailsInit extends PaymentDetailsBase {
 
 interface PaymentDetailsModifier {
     additionalDisplayItems?: PaymentItem[];
-    data?: any;
+    data?: object;
     supportedMethods: string;
     total?: PaymentItem;
 }
 
 interface PaymentDetailsUpdate extends PaymentDetailsBase {
     error?: string;
-    paymentMethodErrors?: any;
+    paymentMethodErrors?: object;
     shippingAddressErrors?: AddressErrors;
     total?: PaymentItem;
 }
@@ -1875,12 +1875,12 @@ interface PaymentItem {
 }
 
 interface PaymentMethodChangeEventInit extends PaymentRequestUpdateEventInit {
-    methodDetails?: any;
+    methodDetails?: object | null;
     methodName?: string;
 }
 
 interface PaymentMethodData {
-    data?: any;
+    data?: object;
     supportedMethods: string;
 }
 
@@ -12169,7 +12169,7 @@ interface DOMMatrixReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     /**
      * The **`transformPoint`** method of the DOMMatrixReadOnly interface creates a new DOMPoint object, transforming a specified point by the matrix. Neither the matrix nor the original point are altered.
      *
@@ -12314,7 +12314,7 @@ interface DOMPointReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMPointReadOnly: {
@@ -12369,7 +12369,7 @@ interface DOMQuad {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMQuad: {
@@ -12520,7 +12520,7 @@ interface DOMRectReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMRectReadOnly: {
@@ -12967,9 +12967,9 @@ declare var DeviceOrientationEvent: {
 
 /** Available only in secure contexts. */
 interface DigitalCredential extends Credential {
-    readonly data: any;
+    readonly data: object;
     readonly protocol: string;
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DigitalCredential: {
@@ -17116,7 +17116,7 @@ interface GeolocationCoordinates {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationCoordinates/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var GeolocationCoordinates: {
@@ -17148,7 +17148,7 @@ interface GeolocationPosition {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationPosition/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var GeolocationPosition: {
@@ -23892,7 +23892,7 @@ interface LargestContentfulPaint extends PerformanceEntry, PaintTimingMixin {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/LargestContentfulPaint/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var LargestContentfulPaint: {
@@ -24369,7 +24369,7 @@ interface MediaDeviceInfo {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaDeviceInfo/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var MediaDeviceInfo: {
@@ -27783,7 +27783,7 @@ interface PaymentAddress {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContactAddress/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PaymentAddress: {
@@ -27803,7 +27803,7 @@ interface PaymentMethodChangeEvent extends PaymentRequestUpdateEvent {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentMethodChangeEvent/methodDetails)
      */
-    readonly methodDetails: any;
+    readonly methodDetails: object | null;
     /**
      * The read-only **`methodName`** property of the PaymentMethodChangeEvent interface is a string which uniquely identifies the payment handler currently selected by the user. The payment handler may be a payment technology, such as Apple Pay or Android Pay, and each payment handler may support multiple payment methods; changes to the payment method within the payment handler are described by the PaymentMethodChangeEvent.
      *
@@ -27936,7 +27936,7 @@ interface PaymentResponse extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/details)
      */
-    readonly details: any;
+    readonly details: object;
     /**
      * The **`methodName`** read-only property of the PaymentResponse interface returns a string uniquely identifying the payment handler selected by the user.
      *
@@ -27998,7 +27998,7 @@ interface PaymentResponse extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PaymentResponseEventMap>(type: K, listener: (this: PaymentResponse, ev: PaymentResponseEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PaymentResponseEventMap>(type: K, listener: (this: PaymentResponse, ev: PaymentResponseEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -28119,7 +28119,7 @@ interface Performance extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -28166,7 +28166,7 @@ interface PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEntry: {
@@ -28215,7 +28215,7 @@ interface PerformanceEventTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEventTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEventTiming: {
@@ -28288,7 +28288,7 @@ interface PerformanceNavigation {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigation/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     readonly TYPE_NAVIGATE: 0;
     readonly TYPE_RELOAD: 1;
     readonly TYPE_BACK_FORWARD: 2;
@@ -28376,7 +28376,7 @@ interface PerformanceNavigationTiming extends PerformanceResourceTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigationTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceNavigationTiming: {
@@ -28463,7 +28463,7 @@ interface PerformancePaintTiming extends PerformanceEntry, PaintTimingMixin {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformancePaintTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformancePaintTiming: {
@@ -28620,7 +28620,7 @@ interface PerformanceResourceTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceResourceTiming: {
@@ -28657,7 +28657,7 @@ interface PerformanceServerTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceServerTiming: {
@@ -28825,7 +28825,7 @@ interface PerformanceTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 /** @deprecated */
@@ -30370,7 +30370,7 @@ interface RTCRtpScriptTransform {
 
 declare var RTCRtpScriptTransform: {
     prototype: RTCRtpScriptTransform;
-    new(workerOrWorkerAndParameters: Worker, options?: any, transfer?: any[]): RTCRtpScriptTransform;
+    new(workerOrWorkerAndParameters: Worker, options?: any, transfer?: object[]): RTCRtpScriptTransform;
 };
 
 /**
@@ -30585,7 +30585,7 @@ declare var RTCSessionDescription: {
  * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCStatsReport)
  */
 interface RTCStatsReport {
-    forEach(callbackfn: (value: any, key: string, parent: RTCStatsReport) => void, thisArg?: any): void;
+    forEach(callbackfn: (value: object, key: string, parent: RTCStatsReport) => void, thisArg?: any): void;
 }
 
 declare var RTCStatsReport: {
@@ -40970,7 +40970,7 @@ interface WebGLRenderingContextBase {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getError) */
     getError(): GLenum;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getExtension) */
-    getExtension(name: string): any;
+    getExtension(name: string): object | null;
     getExtension(extensionName: "ANGLE_instanced_arrays"): ANGLE_instanced_arrays | null;
     getExtension(extensionName: "EXT_blend_minmax"): EXT_blend_minmax | null;
     getExtension(extensionName: "EXT_color_buffer_float"): EXT_color_buffer_float | null;
@@ -43685,7 +43685,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/ts5.6/dom.iterable.generated.d.ts b/baselines/ts5.6/dom.iterable.generated.d.ts
index 3cf3ab407..63987f245 100644
--- a/baselines/ts5.6/dom.iterable.generated.d.ts
+++ b/baselines/ts5.6/dom.iterable.generated.d.ts
@@ -365,7 +365,7 @@ interface RTCRtpTransceiver {
     setCodecPreferences(codecs: Iterable<RTCRtpCodec>): void;
 }
 
-interface RTCStatsReport extends ReadonlyMap<string, any> {
+interface RTCStatsReport extends ReadonlyMap<string, object> {
 }
 
 interface SVGLengthList {
diff --git a/baselines/ts5.6/serviceworker.generated.d.ts b/baselines/ts5.6/serviceworker.generated.d.ts
index a0d7fea68..a2c79d222 100644
--- a/baselines/ts5.6/serviceworker.generated.d.ts
+++ b/baselines/ts5.6/serviceworker.generated.d.ts
@@ -3222,7 +3222,7 @@ interface DOMMatrixReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     /**
      * The **`transformPoint`** method of the DOMMatrixReadOnly interface creates a new DOMPoint object, transforming a specified point by the matrix. Neither the matrix nor the original point are altered.
      *
@@ -3344,7 +3344,7 @@ interface DOMPointReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMPointReadOnly: {
@@ -3399,7 +3399,7 @@ interface DOMQuad {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMQuad: {
@@ -3521,7 +3521,7 @@ interface DOMRectReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMRectReadOnly: {
@@ -7455,7 +7455,7 @@ interface Performance extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -7502,7 +7502,7 @@ interface PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEntry: {
@@ -7765,7 +7765,7 @@ interface PerformanceResourceTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceResourceTiming: {
@@ -7802,7 +7802,7 @@ interface PerformanceServerTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceServerTiming: {
@@ -11559,7 +11559,7 @@ interface WebGLRenderingContextBase {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getError) */
     getError(): GLenum;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getExtension) */
-    getExtension(name: string): any;
+    getExtension(name: string): object | null;
     getExtension(extensionName: "ANGLE_instanced_arrays"): ANGLE_instanced_arrays | null;
     getExtension(extensionName: "EXT_blend_minmax"): EXT_blend_minmax | null;
     getExtension(extensionName: "EXT_color_buffer_float"): EXT_color_buffer_float | null;
@@ -13241,7 +13241,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/ts5.6/sharedworker.generated.d.ts b/baselines/ts5.6/sharedworker.generated.d.ts
index f6424baa7..d9d8bcb28 100644
--- a/baselines/ts5.6/sharedworker.generated.d.ts
+++ b/baselines/ts5.6/sharedworker.generated.d.ts
@@ -3003,7 +3003,7 @@ interface DOMMatrixReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     /**
      * The **`transformPoint`** method of the DOMMatrixReadOnly interface creates a new DOMPoint object, transforming a specified point by the matrix. Neither the matrix nor the original point are altered.
      *
@@ -3125,7 +3125,7 @@ interface DOMPointReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMPointReadOnly: {
@@ -3180,7 +3180,7 @@ interface DOMQuad {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMQuad: {
@@ -3302,7 +3302,7 @@ interface DOMRectReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMRectReadOnly: {
@@ -7113,7 +7113,7 @@ interface Performance extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -7160,7 +7160,7 @@ interface PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEntry: {
@@ -7423,7 +7423,7 @@ interface PerformanceResourceTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceResourceTiming: {
@@ -7460,7 +7460,7 @@ interface PerformanceServerTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceServerTiming: {
@@ -11102,7 +11102,7 @@ interface WebGLRenderingContextBase {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getError) */
     getError(): GLenum;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getExtension) */
-    getExtension(name: string): any;
+    getExtension(name: string): object | null;
     getExtension(extensionName: "ANGLE_instanced_arrays"): ANGLE_instanced_arrays | null;
     getExtension(extensionName: "EXT_blend_minmax"): EXT_blend_minmax | null;
     getExtension(extensionName: "EXT_color_buffer_float"): EXT_color_buffer_float | null;
@@ -12967,7 +12967,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/ts5.6/webworker.generated.d.ts b/baselines/ts5.6/webworker.generated.d.ts
index 7ec31a503..655602125 100644
--- a/baselines/ts5.6/webworker.generated.d.ts
+++ b/baselines/ts5.6/webworker.generated.d.ts
@@ -3729,7 +3729,7 @@ interface DOMMatrixReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     /**
      * The **`transformPoint`** method of the DOMMatrixReadOnly interface creates a new DOMPoint object, transforming a specified point by the matrix. Neither the matrix nor the original point are altered.
      *
@@ -3851,7 +3851,7 @@ interface DOMPointReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMPointReadOnly: {
@@ -3906,7 +3906,7 @@ interface DOMQuad {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMQuad: {
@@ -4028,7 +4028,7 @@ interface DOMRectReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMRectReadOnly: {
@@ -8357,7 +8357,7 @@ interface Performance extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -8404,7 +8404,7 @@ interface PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEntry: {
@@ -8667,7 +8667,7 @@ interface PerformanceResourceTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceResourceTiming: {
@@ -8704,7 +8704,7 @@ interface PerformanceServerTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceServerTiming: {
@@ -13143,7 +13143,7 @@ interface WebGLRenderingContextBase {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getError) */
     getError(): GLenum;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getExtension) */
-    getExtension(name: string): any;
+    getExtension(name: string): object | null;
     getExtension(extensionName: "ANGLE_instanced_arrays"): ANGLE_instanced_arrays | null;
     getExtension(extensionName: "EXT_blend_minmax"): EXT_blend_minmax | null;
     getExtension(extensionName: "EXT_color_buffer_float"): EXT_color_buffer_float | null;
@@ -15051,7 +15051,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/ts5.9/audioworklet.generated.d.ts b/baselines/ts5.9/audioworklet.generated.d.ts
index 047d68b93..29d8fea04 100644
--- a/baselines/ts5.9/audioworklet.generated.d.ts
+++ b/baselines/ts5.9/audioworklet.generated.d.ts
@@ -1884,7 +1884,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/ts5.9/dom.generated.d.ts b/baselines/ts5.9/dom.generated.d.ts
index b0e9af16b..d72f18dda 100644
--- a/baselines/ts5.9/dom.generated.d.ts
+++ b/baselines/ts5.9/dom.generated.d.ts
@@ -189,7 +189,7 @@ interface AudioWorkletNodeOptions extends AudioNodeOptions {
     numberOfOutputs?: number;
     outputChannelCount?: number[];
     parameterData?: Record<string, number>;
-    processorOptions?: any;
+    processorOptions?: object;
 }
 
 interface AuthenticationExtensionsClientInputs {
@@ -1856,14 +1856,14 @@ interface PaymentDetailsInit extends PaymentDetailsBase {
 
 interface PaymentDetailsModifier {
     additionalDisplayItems?: PaymentItem[];
-    data?: any;
+    data?: object;
     supportedMethods: string;
     total?: PaymentItem;
 }
 
 interface PaymentDetailsUpdate extends PaymentDetailsBase {
     error?: string;
-    paymentMethodErrors?: any;
+    paymentMethodErrors?: object;
     shippingAddressErrors?: AddressErrors;
     total?: PaymentItem;
 }
@@ -1875,12 +1875,12 @@ interface PaymentItem {
 }
 
 interface PaymentMethodChangeEventInit extends PaymentRequestUpdateEventInit {
-    methodDetails?: any;
+    methodDetails?: object | null;
     methodName?: string;
 }
 
 interface PaymentMethodData {
-    data?: any;
+    data?: object;
     supportedMethods: string;
 }
 
@@ -12169,7 +12169,7 @@ interface DOMMatrixReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     /**
      * The **`transformPoint`** method of the DOMMatrixReadOnly interface creates a new DOMPoint object, transforming a specified point by the matrix. Neither the matrix nor the original point are altered.
      *
@@ -12314,7 +12314,7 @@ interface DOMPointReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMPointReadOnly: {
@@ -12369,7 +12369,7 @@ interface DOMQuad {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMQuad: {
@@ -12520,7 +12520,7 @@ interface DOMRectReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMRectReadOnly: {
@@ -12967,9 +12967,9 @@ declare var DeviceOrientationEvent: {
 
 /** Available only in secure contexts. */
 interface DigitalCredential extends Credential {
-    readonly data: any;
+    readonly data: object;
     readonly protocol: string;
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DigitalCredential: {
@@ -17116,7 +17116,7 @@ interface GeolocationCoordinates {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationCoordinates/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var GeolocationCoordinates: {
@@ -17148,7 +17148,7 @@ interface GeolocationPosition {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/GeolocationPosition/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var GeolocationPosition: {
@@ -23892,7 +23892,7 @@ interface LargestContentfulPaint extends PerformanceEntry, PaintTimingMixin {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/LargestContentfulPaint/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var LargestContentfulPaint: {
@@ -24369,7 +24369,7 @@ interface MediaDeviceInfo {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/MediaDeviceInfo/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var MediaDeviceInfo: {
@@ -27783,7 +27783,7 @@ interface PaymentAddress {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ContactAddress/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PaymentAddress: {
@@ -27803,7 +27803,7 @@ interface PaymentMethodChangeEvent extends PaymentRequestUpdateEvent {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentMethodChangeEvent/methodDetails)
      */
-    readonly methodDetails: any;
+    readonly methodDetails: object | null;
     /**
      * The read-only **`methodName`** property of the PaymentMethodChangeEvent interface is a string which uniquely identifies the payment handler currently selected by the user. The payment handler may be a payment technology, such as Apple Pay or Android Pay, and each payment handler may support multiple payment methods; changes to the payment method within the payment handler are described by the PaymentMethodChangeEvent.
      *
@@ -27936,7 +27936,7 @@ interface PaymentResponse extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/details)
      */
-    readonly details: any;
+    readonly details: object;
     /**
      * The **`methodName`** read-only property of the PaymentResponse interface returns a string uniquely identifying the payment handler selected by the user.
      *
@@ -27998,7 +27998,7 @@ interface PaymentResponse extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PaymentResponse/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PaymentResponseEventMap>(type: K, listener: (this: PaymentResponse, ev: PaymentResponseEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PaymentResponseEventMap>(type: K, listener: (this: PaymentResponse, ev: PaymentResponseEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -28119,7 +28119,7 @@ interface Performance extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -28166,7 +28166,7 @@ interface PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEntry: {
@@ -28215,7 +28215,7 @@ interface PerformanceEventTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEventTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEventTiming: {
@@ -28288,7 +28288,7 @@ interface PerformanceNavigation {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigation/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     readonly TYPE_NAVIGATE: 0;
     readonly TYPE_RELOAD: 1;
     readonly TYPE_BACK_FORWARD: 2;
@@ -28376,7 +28376,7 @@ interface PerformanceNavigationTiming extends PerformanceResourceTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceNavigationTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceNavigationTiming: {
@@ -28463,7 +28463,7 @@ interface PerformancePaintTiming extends PerformanceEntry, PaintTimingMixin {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformancePaintTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformancePaintTiming: {
@@ -28620,7 +28620,7 @@ interface PerformanceResourceTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceResourceTiming: {
@@ -28657,7 +28657,7 @@ interface PerformanceServerTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceServerTiming: {
@@ -28825,7 +28825,7 @@ interface PerformanceTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 /** @deprecated */
@@ -30370,7 +30370,7 @@ interface RTCRtpScriptTransform {
 
 declare var RTCRtpScriptTransform: {
     prototype: RTCRtpScriptTransform;
-    new(workerOrWorkerAndParameters: Worker, options?: any, transfer?: any[]): RTCRtpScriptTransform;
+    new(workerOrWorkerAndParameters: Worker, options?: any, transfer?: object[]): RTCRtpScriptTransform;
 };
 
 /**
@@ -30585,7 +30585,7 @@ declare var RTCSessionDescription: {
  * [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCStatsReport)
  */
 interface RTCStatsReport {
-    forEach(callbackfn: (value: any, key: string, parent: RTCStatsReport) => void, thisArg?: any): void;
+    forEach(callbackfn: (value: object, key: string, parent: RTCStatsReport) => void, thisArg?: any): void;
 }
 
 declare var RTCStatsReport: {
@@ -40970,7 +40970,7 @@ interface WebGLRenderingContextBase {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getError) */
     getError(): GLenum;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getExtension) */
-    getExtension(name: string): any;
+    getExtension(name: string): object | null;
     getExtension(extensionName: "ANGLE_instanced_arrays"): ANGLE_instanced_arrays | null;
     getExtension(extensionName: "EXT_blend_minmax"): EXT_blend_minmax | null;
     getExtension(extensionName: "EXT_color_buffer_float"): EXT_color_buffer_float | null;
@@ -43685,7 +43685,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/ts5.9/dom.iterable.generated.d.ts b/baselines/ts5.9/dom.iterable.generated.d.ts
index ef6162586..6d886c43d 100644
--- a/baselines/ts5.9/dom.iterable.generated.d.ts
+++ b/baselines/ts5.9/dom.iterable.generated.d.ts
@@ -365,7 +365,7 @@ interface RTCRtpTransceiver {
     setCodecPreferences(codecs: Iterable<RTCRtpCodec>): void;
 }
 
-interface RTCStatsReport extends ReadonlyMap<string, any> {
+interface RTCStatsReport extends ReadonlyMap<string, object> {
 }
 
 interface SVGLengthList {
diff --git a/baselines/ts5.9/serviceworker.generated.d.ts b/baselines/ts5.9/serviceworker.generated.d.ts
index 8967aaba6..2395491b8 100644
--- a/baselines/ts5.9/serviceworker.generated.d.ts
+++ b/baselines/ts5.9/serviceworker.generated.d.ts
@@ -3222,7 +3222,7 @@ interface DOMMatrixReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     /**
      * The **`transformPoint`** method of the DOMMatrixReadOnly interface creates a new DOMPoint object, transforming a specified point by the matrix. Neither the matrix nor the original point are altered.
      *
@@ -3344,7 +3344,7 @@ interface DOMPointReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMPointReadOnly: {
@@ -3399,7 +3399,7 @@ interface DOMQuad {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMQuad: {
@@ -3521,7 +3521,7 @@ interface DOMRectReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMRectReadOnly: {
@@ -7455,7 +7455,7 @@ interface Performance extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -7502,7 +7502,7 @@ interface PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEntry: {
@@ -7765,7 +7765,7 @@ interface PerformanceResourceTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceResourceTiming: {
@@ -7802,7 +7802,7 @@ interface PerformanceServerTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceServerTiming: {
@@ -11559,7 +11559,7 @@ interface WebGLRenderingContextBase {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getError) */
     getError(): GLenum;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getExtension) */
-    getExtension(name: string): any;
+    getExtension(name: string): object | null;
     getExtension(extensionName: "ANGLE_instanced_arrays"): ANGLE_instanced_arrays | null;
     getExtension(extensionName: "EXT_blend_minmax"): EXT_blend_minmax | null;
     getExtension(extensionName: "EXT_color_buffer_float"): EXT_color_buffer_float | null;
@@ -13241,7 +13241,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/ts5.9/sharedworker.generated.d.ts b/baselines/ts5.9/sharedworker.generated.d.ts
index 5606b402f..5d4821105 100644
--- a/baselines/ts5.9/sharedworker.generated.d.ts
+++ b/baselines/ts5.9/sharedworker.generated.d.ts
@@ -3003,7 +3003,7 @@ interface DOMMatrixReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     /**
      * The **`transformPoint`** method of the DOMMatrixReadOnly interface creates a new DOMPoint object, transforming a specified point by the matrix. Neither the matrix nor the original point are altered.
      *
@@ -3125,7 +3125,7 @@ interface DOMPointReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMPointReadOnly: {
@@ -3180,7 +3180,7 @@ interface DOMQuad {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMQuad: {
@@ -3302,7 +3302,7 @@ interface DOMRectReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMRectReadOnly: {
@@ -7113,7 +7113,7 @@ interface Performance extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -7160,7 +7160,7 @@ interface PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEntry: {
@@ -7423,7 +7423,7 @@ interface PerformanceResourceTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceResourceTiming: {
@@ -7460,7 +7460,7 @@ interface PerformanceServerTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceServerTiming: {
@@ -11102,7 +11102,7 @@ interface WebGLRenderingContextBase {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getError) */
     getError(): GLenum;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getExtension) */
-    getExtension(name: string): any;
+    getExtension(name: string): object | null;
     getExtension(extensionName: "ANGLE_instanced_arrays"): ANGLE_instanced_arrays | null;
     getExtension(extensionName: "EXT_blend_minmax"): EXT_blend_minmax | null;
     getExtension(extensionName: "EXT_color_buffer_float"): EXT_color_buffer_float | null;
@@ -12967,7 +12967,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/ts5.9/webworker.generated.d.ts b/baselines/ts5.9/webworker.generated.d.ts
index 2b8ecf103..feaa1a14c 100644
--- a/baselines/ts5.9/webworker.generated.d.ts
+++ b/baselines/ts5.9/webworker.generated.d.ts
@@ -3729,7 +3729,7 @@ interface DOMMatrixReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     /**
      * The **`transformPoint`** method of the DOMMatrixReadOnly interface creates a new DOMPoint object, transforming a specified point by the matrix. Neither the matrix nor the original point are altered.
      *
@@ -3851,7 +3851,7 @@ interface DOMPointReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMPointReadOnly: {
@@ -3906,7 +3906,7 @@ interface DOMQuad {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMQuad: {
@@ -4028,7 +4028,7 @@ interface DOMRectReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMRectReadOnly: {
@@ -8357,7 +8357,7 @@ interface Performance extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -8404,7 +8404,7 @@ interface PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEntry: {
@@ -8667,7 +8667,7 @@ interface PerformanceResourceTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceResourceTiming: {
@@ -8704,7 +8704,7 @@ interface PerformanceServerTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceServerTiming: {
@@ -13143,7 +13143,7 @@ interface WebGLRenderingContextBase {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getError) */
     getError(): GLenum;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getExtension) */
-    getExtension(name: string): any;
+    getExtension(name: string): object | null;
     getExtension(extensionName: "ANGLE_instanced_arrays"): ANGLE_instanced_arrays | null;
     getExtension(extensionName: "EXT_blend_minmax"): EXT_blend_minmax | null;
     getExtension(extensionName: "EXT_color_buffer_float"): EXT_color_buffer_float | null;
@@ -15051,7 +15051,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/baselines/webworker.generated.d.ts b/baselines/webworker.generated.d.ts
index 0596b83b3..7ca2a853c 100644
--- a/baselines/webworker.generated.d.ts
+++ b/baselines/webworker.generated.d.ts
@@ -3732,7 +3732,7 @@ interface DOMMatrixReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMMatrixReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     /**
      * The **`transformPoint`** method of the DOMMatrixReadOnly interface creates a new DOMPoint object, transforming a specified point by the matrix. Neither the matrix nor the original point are altered.
      *
@@ -3854,7 +3854,7 @@ interface DOMPointReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMPointReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMPointReadOnly: {
@@ -3909,7 +3909,7 @@ interface DOMQuad {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMQuad/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMQuad: {
@@ -4031,7 +4031,7 @@ interface DOMRectReadOnly {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/DOMRectReadOnly/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var DOMRectReadOnly: {
@@ -8360,7 +8360,7 @@ interface Performance extends EventTarget {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Performance/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
     addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
@@ -8407,7 +8407,7 @@ interface PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceEntry/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceEntry: {
@@ -8670,7 +8670,7 @@ interface PerformanceResourceTiming extends PerformanceEntry {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceResourceTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceResourceTiming: {
@@ -8707,7 +8707,7 @@ interface PerformanceServerTiming {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/PerformanceServerTiming/toJSON)
      */
-    toJSON(): any;
+    toJSON(): object;
 }
 
 declare var PerformanceServerTiming: {
@@ -13146,7 +13146,7 @@ interface WebGLRenderingContextBase {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getError) */
     getError(): GLenum;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLRenderingContext/getExtension) */
-    getExtension(name: string): any;
+    getExtension(name: string): object | null;
     getExtension(extensionName: "ANGLE_instanced_arrays"): ANGLE_instanced_arrays | null;
     getExtension(extensionName: "EXT_blend_minmax"): EXT_blend_minmax | null;
     getExtension(extensionName: "EXT_color_buffer_float"): EXT_color_buffer_float | null;
@@ -15054,7 +15054,7 @@ interface Console {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/console/dir_static)
      */
-    dir(item?: any, options?: any): void;
+    dir(item?: any, options?: object | null): void;
     /**
      * The **`console.dirxml()`** static method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.
      *
diff --git a/src/build/helpers.ts b/src/build/helpers.ts
index bb3a476ea..910710907 100644
--- a/src/build/helpers.ts
+++ b/src/build/helpers.ts
@@ -57,6 +57,7 @@ const sameTypes = new Set([
   "undefined",
   "void",
   "bigint",
+  "object",
 ]);
 export const baseTypeConversionMap = new Map<string, string>([
   ...[...bufferSourceTypes].map((type) => [type, type] as const),
@@ -65,7 +66,6 @@ export const baseTypeConversionMap = new Map<string, string>([
     (type) => [type, "string"] as const,
   ),
   ...[...sameTypes].map((type) => [type, type] as const),
-  ["object", "any"],
   ["sequence", "Array"],
   ["ObservableArray", "Array"],
   ["record", "Record"],