export interface RalphState {
    active: boolean;
    iteration: number;
    maxIterations: number;
    completedSlices: number;
    startedAt: string;
    prompt: string;
    sessionId?: string;
    projectPath: string;
}
export interface StartRalphOptions {
    cwd?: string;
    prompt: string;
    sessionId?: string;
    maxIterations?: number;
}
export declare function startRalph(opts: StartRalphOptions): RalphState;
export declare function readRalph(cwd?: string): RalphState | undefined;
export declare function cancelRalph(cwd?: string): void;
export interface RalphTickResult {
    ok: boolean;
    state?: RalphState;
    reason?: string;
}
export declare function tickRalph(cwd?: string): RalphTickResult;
export declare function buildRalphContext(state: RalphState): string;