import { PipeActivity } from './PipeActivity';
import { TransformType } from './pipeTypes';
import { IActivity } from '@taskfr/core';
import { IPipeConfigure } from './IPipeConfigure';
import { InjectPipeActivityToken } from './IPipeActivity';
import { ITransform } from './ITransform';
/**
 * annotation activity token
 */
export declare const AnnotationAcitvityToken: InjectPipeActivityToken<AnnotationActivity>;
export interface AnnotationsConfigure extends IPipeConfigure {
    /**
     * annotation framework.
     *
     * @type {TransformType}
     * @memberof AnnotationConfigure
     */
    annotationFramework: TransformType;
}
/**
 * annotation activity.
 *
 * @export
 * @class AnnotationActivity
 * @extends {PipeActivity}
 */
export declare class AnnotationActivity extends PipeActivity {
    /**
     * annotation framework.
     *
     * @type {TransformType}
     * @memberof AssetActivity
     */
    annotationFramework: TransformType;
    onActivityInit(config: AnnotationsConfigure): Promise<void>;
    /**
     * begin pipe.
     *
     * @protected
     * @param {ITransform} stream
     * @param {IActivity} [execute]
     * @returns {Promise<ITransform>}
     * @memberof AnnotationActivity
     */
    protected beforePipe(stream: ITransform, execute?: IActivity): Promise<ITransform>;
    static classAnnations: any;
}