{"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"pub(crate)"}]}
    pub(crate) source_root_config: SourceRootConfig,
    pub(crate) mem_docs: MemDocs,
    /// A mapping that maps a local source root's `SourceRootId` to it parent's `SourceRootId`, if it has one.