syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"\"dump"}]}
source_snippet:         "dump facts from NLL analysis into side files (default: no)"),
context_before:     nll_facts: bool = (false, parse_bool, [UNTRACKED],
context_after:     nll_facts_dir: String = ("nll-facts".to_string(), parse_string, [UNTRACKED],