syntax_data: {"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"*self.tcx().type_of(parent).instantiate_identity().kind()"}]}
source_snippet:                             *self.tcx().type_of(parent).instantiate_identity().kind()
context_before:                         if let ty::Alias(ty::Opaque, ty::AliasTy { def_id: d, .. }) =
context_after:                         {