/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 { ClientType, TransactionResolution, TransactionSource } from '../../proto/apache/rocketmq/v2/definition_pb';
import { HeartbeatRequest, NotifyClientTerminationRequest, RecoverOrphanedTransactionCommand } from '../../proto/apache/rocketmq/v2/service_pb';
import { Endpoints } from '../route';
import { BaseClient, BaseClientOptions, Settings } from '../client';
import { MessageOptions, Message } from '../message';
import { PublishingSettings } from './PublishingSettings';
import { TransactionChecker } from './TransactionChecker';
import { SendReceipt } from './SendReceipt';
import { Transaction } from './Transaction';
import { RecallReceipt } from './RecallReceipt';
export interface ProducerOptions extends BaseClientOptions {
    topic?: string | string[];
    maxAttempts?: number;
    checker?: TransactionChecker;
}
export declare class Producer extends BaseClient {
    #private;
    constructor(options: ProducerOptions);
    startup(): Promise<void>;
    shutdown(): Promise<void>;
    get publishingSettings(): PublishingSettings;
    beginTransaction(): Transaction;
    endTransaction(endpoints: Endpoints, message: Message, messageId: string, transactionId: string, resolution: TransactionResolution, source?: TransactionSource): Promise<void>;
    onRecoverOrphanedTransactionCommand(endpoints: Endpoints, command: RecoverOrphanedTransactionCommand): Promise<void>;
    protected getSettings(): Settings;
    /**
     * Get the client type.
     *
     * @return The client type identifier for producer
     */
    protected getClientType(): ClientType;
    protected wrapHeartbeatRequest(): HeartbeatRequest;
    protected wrapNotifyClientTerminationRequest(): NotifyClientTerminationRequest;
    send(message: MessageOptions, transaction?: Transaction): Promise<SendReceipt>;
    /**
     * Recalls a scheduled/delayed message based on the topic and recall handle.
     * This operation requires server support and can only be performed before the message is delivered.
     *
     * @param topic - The topic associated with the scheduled message to be canceled.
     * @param recallHandle - A unique handle to identify the message to recall (obtained from SendReceipt).
     * @return Promise resolving to RecallReceipt containing the recalled message ID.
     * @throws Error if producer is not running or recall handle is invalid.
     */
    recallMessage(topic: string, recallHandle: string): Promise<RecallReceipt>;
}