syntax_data: {"ast_node_type":"import","tokens":[{"end":78,"kind":"keyword","start":0,"text":"\"in"}]}
source_snippet:         "in diagnostics, use heuristics to shorten paths referring to items"),
context_before:     trim_diagnostic_paths: bool = (true, parse_bool, [UNTRACKED],
context_after:     tune_cpu: Option<String> = (None, parse_opt_string, [TRACKED],