{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"///"}]}
/// additional properties, so that effectively we can retrieve each dependent crate's `CrateSource`
/// identifiers (`CrateNum`) to `CrateSource`. The other fields map `CrateNum` to the crate's own
/// and the corresponding properties without referencing information outside of a `CrateInfo`.