syntax_data: {"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"&&"}]}
source_snippet:             && alias_ty.def_id == def_id
context_before:                 self.tcx().fn_sig(fn_def_id).skip_binder().output().skip_binder().kind()
context_after:             && let generics = self.tcx().generics_of(fn_def_id)