import { Src, Activity, InjectAcitityToken, ActivityConfigure, Expression, ExpressionType } from '@taskfr/core';
import { IPipeContext } from './IPipeContext';
/**
 * clean task token.
 */
export declare const CleanToken: InjectAcitityToken<CleanActivity>;
/**
 * clean configure
 *
 * @export
 * @interface ICleanConfigure
 * @extends {ActivityConfigure}
 */
export interface CleanConfigure extends ActivityConfigure {
    /**
     * clean match.
     *
     * @type {ExpressionType<Src>}
     * @memberof ICleanConfigure
     */
    clean: ExpressionType<Src>;
}
/**
 * clean task.
 */
export declare class CleanActivity extends Activity<any> {
    /**
     * context.
     *
     * @type {IPipeContext}
     * @memberof BaseTask
     */
    context: IPipeContext;
    /**
     * clean source.
     *
     * @type {Expression<Src>}
     * @memberof CleanActivity
     */
    clean: Expression<Src>;
    onActivityInit(config: CleanConfigure): Promise<void>;
    /**
     * run clean.
     *
     * @param {*} [data]
     * @returns {Promise<any>}
     * @memberof CleanActivity
     */
    run(data?: any): Promise<any>;
    static classAnnations: any;
}