{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"///"}]}
/// identifiers (`CrateNum`) to `CrateSource`. The other fields map `CrateNum` to the crate's own
/// `used_crate_source` contains all `CrateSource` of the dependents, and maintains a mapping from
/// additional properties, so that effectively we can retrieve each dependent crate's `CrateSource`