import { Step, StepExecutionContext } from '../types';
import { StepExecutor, StepExecutionResult, LoopStep } from './types';
import { Logger } from '../util/logger';
export type ExecuteStep = (step: Step, extraContext?: Record<string, any>, signal?: AbortSignal) => Promise<StepExecutionResult>;
export declare class LoopStepExecutor implements StepExecutor {
    private executeStep;
    private logger;
    constructor(executeStep: ExecuteStep, logger: Logger);
    canExecute(step: Step): step is LoopStep;
    execute(step: Step, context: StepExecutionContext, extraContext?: Record<string, any>, signal?: AbortSignal): Promise<StepExecutionResult>;
}