syntax_data: {"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"remark_dir:"}]}
source_snippet:     remark_dir: Option<PathBuf> = (None, parse_opt_pathbuf, [UNTRACKED],
context_before:         "remap path scope (default: all)"),
context_after:         "directory into which to write optimization remarks (if not specified, they will be \