{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"self.deduce_sig_from_projection(None,"}]}
                    self.deduce_sig_from_projection(None, closure_kind, pb)
                    let pb = pb.with_self_ty(self.tcx, self.tcx.types.trait_object_dummy_self);
                });