syntax_data: {"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// Converts an relative `RelativeBytePos` to a `CharPos` relative to the `SourceFile`.
context_after:     fn bytepos_to_file_charpos(&self, bpos: RelativeBytePos) -> CharPos {