syntax_data: {"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"self.confirm_param_candidate(obligation,"}]}
source_snippet:                     self.confirm_param_candidate(obligation, param.map_bound(|t| t.trait_ref));
context_before:                 let obligations =
context_after:                 ImplSource::Param(obligations)