syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"\"the"}]}
source_snippet:         "the directory the MIR is dumped into (default: `mir_dump`)"),
context_before:     dump_mir_dir: String = ("mir_dump".to_string(), parse_string, [UNTRACKED],
context_after:     dump_mir_exclude_alloc_bytes: bool = (false, parse_bool, [UNTRACKED],