{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"self.check_type_for_ffi_and_report_errors(ret_hir.span,"}]}
            self.check_type_for_ffi_and_report_errors(ret_hir.span, sig.output(), false, true);
        if let hir::FnRetTy::Return(ret_hir) = decl.output {
        }