syntax_data: {"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // Only check that the parent generics of the TAIT/RPIT are unique.
context_before:         let parent_count = self.tcx.generics_of(alias_ty.def_id).parent_count;
context_after:         // the args owned by the opaque are going to always be duplicate