import type { PayloadAction } from '@reduxjs/toolkit';
import type { CoreEngine } from '../../app/engine.js';
/**
 * The pipeline action creators.
 *
 * @group Actions
 * @category Pipeline
 */
export interface PipelineActionCreators {
    /**
     * Sets the query pipeline.
     *
     * @param pipeline - The query pipeline to set (may be empty).
     * @returns A dispatchable action.
     */
    setPipeline(pipeline: string): PayloadAction<string>;
}
/**
 * Loads the `pipeline` reducer and returns possible action creators.
 *
 * @param engine - The headless engine.
 * @returns An object holding the action creators.
 *
 * @group Actions
 * @category Pipeline
 */
export declare function loadPipelineActions(engine: CoreEngine): PipelineActionCreators;