syntax_data: {"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"traits.entry(trait_pred).or_default().extend(proj_ty);"}]}
source_snippet:         traits.entry(trait_pred).or_default().extend(proj_ty);
context_before:         // Otherwise, just group our traits and projection types.
context_after:     }