import type { AgentRunInput, RalphFileSystem, RalphRunResult } from "../types.js";
type SimulationFs = RalphFileSystem;
type TurnContext = {
    fs: SimulationFs;
    readFile: (filePath: string) => Promise<string>;
    writeFile: (filePath: string, content: string) => Promise<void>;
};
type TurnOutput = {
    stdout: string;
    stderr?: string;
    exitCode?: number;
};
export type TurnSpec = {
    assertPrompt?: (prompt: string, ctx: TurnContext) => void | Promise<void>;
    fileChanges?: Record<string, string>;
    output: TurnOutput;
};
export type SimulationOptions = {
    agent?: string | string[];
    docContent?: string;
    docPath?: string;
    maxIterations: number;
    archive?: boolean;
    turns: TurnSpec[];
    files?: Record<string, string>;
    signal?: AbortSignal;
};
export type SimulationRun = AgentRunInput;
export type SimulationResult = {
    result: RalphRunResult;
    prompts: string[];
    runs: SimulationRun[];
    fs: SimulationFs;
    readFile: (filePath: string) => Promise<string>;
};
export declare function successTurn(assertPrompt?: TurnSpec["assertPrompt"], fileChanges?: Record<string, string>): TurnSpec;
export declare function failTurn(stderr: string, assertPrompt?: TurnSpec["assertPrompt"], fileChanges?: Record<string, string>): TurnSpec;
export declare function createRalphSimulation(options: SimulationOptions): {
    run: () => Promise<SimulationResult>;
};
export {};