syntax_data: {"ast_node_type":"import","tokens":[{"end":73,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// the source file is from. The crate id is needed because sometimes the
context_before: /// spans) that consists of the `FileName` and the `StableCrateId` of the crate
context_after: /// `FileName` is not unique within the crate graph (think `src/lib.rs`, for