import type { Context, TaskOp } from './context';
import type { PathType, Root } from '../path';
import type { Action } from './instructions';
export declare const NoAction: () => Promise<void>;
export declare const NoEffect: () => undefined;
/**
 * A NoOp task is a task that does not change the state, it can
 * be added to the plan under some condition for debugging purposes
 */
export declare function NoOp<TState = any, TPath extends PathType = Root, TOp extends TaskOp = '*'>(ctx: Context<TState, TPath, TOp>): Action<TState>;