Failed with exit code: 1

concepts/streams/introduction.md:10 MD031/blanks-around-fences Fenced code blocks should be surrounded by blank lines [Context: "```java"] https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md031.md

concepts/streams/introduction.md:9 MD022/blanks-around-headings Headings should be surrounded by blank lines [Expected: 1; Actual: 0; Below] [Context: "### Filtering a List"] https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md022.md

concepts/streams/about.md:21:1 MD053/link-image-reference-definitions Link and image reference definitions should be needed [Unused link or image reference definition: "stream operations explained"] [Context: "[Stream Operations Explained]:..."] https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md053.md

concepts/streams/about.md:20:1 MD053/link-image-reference-definitions Link and image reference definitions should be needed [Unused link or image reference definition: "stream interface documentation"] [Context: "[Stream Interface Documentatio..."] https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md053.md

concepts/streams/about.md:19:1 MD053/link-image-reference-definitions Link and image reference definitions should be needed [Unused link or image reference definition: "collectors class"] [Context: "[Collectors Class]:https://doc..."] https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md053.md

concepts/streams/about.md:18:1 MD053/link-image-reference-definitions Link and image reference definitions should be needed [Unused link or image reference definition: "java stream api overview"] [Context: "[Java Stream API Overview]:htt..."] https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md053.md