/**
 * @license
 * Copyright 2025 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { Metadata } from '@grpc/grpc-js';
import { GrpcConnection } from '../../../src/platform/node/grpc_connection';
export declare class TestGrpcConnection extends GrpcConnection {
    mockStub: {
        lastMetadata: null | Metadata;
        [index: string]: unknown;
    };
    protected ensureActiveStub(): unknown;
}