syntax_data: {"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"this.infcx.resolve_vars_if_possible((obligation.predicate,"}]}
source_snippet:                 this.infcx.resolve_vars_if_possible((obligation.predicate, obligation.param_env));
context_before:             let goal =
context_after:             let mut result = this.evaluate_predicate_recursively(