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indexing_and_psi_stubs.md: add crosslinks

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Yann Cébron 2024-05-13 11:04:17 +02:00
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topics/basics/indexing_and_psi_stubs.md
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@ -16,11 +16,11 @@ It supports two main types of indexes:
File-based indexes are built directly over the content of files.
Stub indexes are built over serialized *stub trees*.
A stub tree for a source file is a subset of its PSI tree, which contains only externally visible declarations and is serialized in a compact binary format.
A stub tree for a source file is a subset of its [PSI](psi.md) tree, which contains only externally visible declarations and is serialized in a compact binary format.
Querying a file-based index gets you the set of files matching a specific condition.
Querying a stub index gets you the set of matching PSI elements.
Therefore, custom language plugin developers typically use stub indexes in their plugin implementations.
Therefore, custom language plugin developers typically use [stub indexes](stub_indexes.md) in their plugin implementations.
> [Index Viewer](https://plugins.jetbrains.com/plugin/13029-index-viewer/) plugin can be used to inspect indexes' contents and properties.