syntax_data: {"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":".map(|InferOk"}]}
source_snippet:             .map(|InferOk { mut obligations, .. }| {
context_before:             .eq(DefineOpaqueTypes::Yes, obligation_trait_ref, found_trait_ref)
context_after:                 obligations.extend(nested);