syntax_data: {"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"rustc_hir::OpaqueTyOrigin::TyAlias"}]}
source_snippet:             rustc_hir::OpaqueTyOrigin::TyAlias { in_assoc_ty, .. } => match self.mode {
context_before:             | rustc_hir::OpaqueTyOrigin::AsyncFn { .. } => {}
context_after:                 // If we are collecting opaques in an assoc method, we are only looking at assoc types