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file_based_indexes.md: mention com.intellij.indexedRootsProvider EP

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Yann Cébron 2021-08-19 11:44:27 +02:00
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topics/basics/indexing_and_psi_stubs/file_based_indexes.md
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@ -96,3 +96,7 @@ Generally, the word index should be accessed indirectly by using helper methods
### File Type Index
[`FileTypeIndex`](upsource:///platform/indexing-api/src/com/intellij/psi/search/FileTypeIndex.java) serves a similar goal: it allows to find all files of a particular [`FileType`](upsource:///platform/core-api/src/com/intellij/openapi/fileTypes/FileType.java) quickly.
## Additional Index Roots
To add additional files/directories to be indexed, implement [`IndexableSetContributor`](upsource:///platform/indexing-api/src/com/intellij/util/indexing/IndexableSetContributor.java) and register in [`com.intellij.indexedRootsProvider`](https://jb.gg/ipe?extensions=com.intellij.indexedRootsProvider) extension point.