syntax_data: {"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:                         if matches!(orig_lt.kind(), ty::ReLateParam(..)) {
context_before:                             tcx.map_opaque_lifetime_to_parent_lifetime(param.def_id.expect_local());
context_after:                             mapping.insert(