import async = require("async");
import { AbstractAction } from "./AbstractAction";
import { ISkeletosCommand } from "./ISkeletosCommand";
/**
 * An action that can show progress on the client side using a progress bar that you define.
 *
 * To show a progress bar, you can either:
 * 1. Set the static `globalStartProgressBarFn`, `globalIncrementProgressBarFn`, and `globalCompleteProgressBarFn`
 * fields to be functions of your global progress bar (for example, something like react-nprogress), or...
 *
 * 2. Override the class methods `startProgressBar`, `incrementProgressBar`, and `completeProgressBar`.
 */
export declare abstract class AbstractProgressAction extends AbstractAction {
    static globalStartProgressBarFn: () => void;
    static globalIncrementProgressBarFn: () => void;
    static globalCompleteProgressBarFn: () => void;
    private static PROGRESS_COMMAND_KEY_PREFIX;
    private static START_PROGRESS_COMMAND_KEY;
    private static INCREMENT_PROGRESS_COMMAND_KEY;
    private static COMPLETE_PROGRESS_COMMAND_KEY;
    private static _ACTIONS_SHOWING_PROGRESS_COUNTER;
    protected wrapCommands(): ISkeletosCommand[] | object;
    /**
     * Override this to supply your own progress bar implementation. You can also alternatively set the static
     * startProgressBarFn in this class to use that globally instead.
     */
    protected startProgressBar(callback: async.ErrorCallback<Error>): void;
    /**
     * Override this to supply your own progress bar implementation. You can also alternatively set the static
     * incrementProgressBarFn in this class to use that globally instead.
     */
    protected incrementProgressBar(callback: async.ErrorCallback<Error>): void;
    /**
     * Override this to supply your own progress bar implementation. You can also alternatively set the static
     * completeProgressBarFn in this class to use that globally instead.
     */
    protected completeProgressBar(callback: async.ErrorCallback<Error>): void;
    private _startProgressBar;
    private _completeProgressBar;
}