syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"experimental_default_bounds:"}]}
source_snippet:     experimental_default_bounds: bool = (false, parse_bool, [TRACKED],
context_before:         "enforce the type length limit when monomorphizing instances in codegen"),
context_after:         "enable default bounds for experimental group of auto traits"),