/**
 * Copyright 2023 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
 *
 *    https://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.
 */
interface BackfillTrigger<P> {
    tasksDoc: string;
    queueName: string;
    batchSize: number;
    extensionInstanceId?: string;
    taskParams: P[];
}
/**
 * function to set up a cloud tasks thread
 * @param tasksDoc - the document to store the tasks status
 * @param queueName - the name of the queue to use
 * @param batchSize - the size of the batch to use
 * @param extensionInstanceId - the id of the extension instance (if any)
 * @param taskParams - the parameters to pass to the task
 * @returns
 */
export declare function taskThreadTrigger<P>({ tasksDoc, queueName, batchSize, extensionInstanceId, taskParams, }: BackfillTrigger<P>): Promise<void>;
export {};