syntax_data: {"ast_node_type":"variable","tokens":[{"end":80,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:     let disambiguated_data = tcx.def_key(trait_assoc_def_id).disambiguated_data;
context_before:     // Use the same disambiguator and method name as the anon associated type in the trait.
context_after:     let DefPathData::AnonAssocTy(name) = disambiguated_data.data else {