syntax_data: {"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"no_steal_thir:"}]}
source_snippet:     no_steal_thir: bool = (false, parse_bool, [UNTRACKED],
context_before:         "prevent automatic injection of the profiler_builtins crate"),
context_after:         "don't steal the THIR when we're done with it; useful for rustc drivers (default: no)"),