botbuilder-azure/lib/doOnce.d.ts

Azure extensions for Microsoft BotBuilder.

/**
 * @module botbuilder-azure
 */
/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */
/**
 * Task to perform only one time.
 */
export declare class DoOnce<T> {
    private task;
    /**
     * Wait for the task to be executed.
     *
     * @param key Key of the task.
     * @param fn Function to perform.
     * @returns A promise representing the asynchronous operation.
     */
    waitFor(key: string, fn: () => Promise<T>): Promise<T>;
}
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