export declare const MAX_FARM_BRANCHES = 16;
export declare const FARM_MANIFEST_SCHEMA_VERSION: 3;
export type WorktreeErrorCode = 'unsupported-schema' | 'not-found' | 'invalid';
export declare class WorktreeError extends Error {
    readonly cause?: unknown;
    readonly code?: WorktreeErrorCode;
    constructor(message: string, cause?: unknown, code?: WorktreeErrorCode);
}
export interface CreatedBranch {
    index: number;
    label?: string;
    path: string;
    branch: string;
}
export interface FarmManifest {
    schemaVersion: 1 | 2 | 3;
    taskId: string;
    taskSlug: string;
    taskName: string;
    repoRoot: string;
    baseRef: string;
    baseBranch?: string;
    farmDir: string;
    createdAt: string;
    branches: CreatedBranch[];
    human_decision?: 'approved' | 'rejected' | 'edited_then_merged';
    decidedAt?: string;
    memoryFactId?: number;
    respawnedAt?: string;
    respawnedAs?: string;
    prUrl?: string;
    prCreatedAt?: string;
}
export interface CreateFarmOptions {
    taskName: string;
    count: number;
    labels?: string[];
    cwd?: string;
    baseRef?: string;
    taskSlug?: string;
    now?: () => Date;
    randomSuffix?: () => string;
}
export declare function buildFarmSlug(taskName: string, opts?: {
    now?: () => Date;
    randomSuffix?: () => string;
}): string;
export declare function createFarm(opts: CreateFarmOptions): Promise<FarmManifest>;
export declare function loadFarm(taskSlug: string): Promise<FarmManifest | null>;
export declare function listFarms(): Promise<string[]>;
export declare function removeBranch(taskSlug: string, index: number): Promise<void>;
export declare function removeFarm(taskSlug: string): Promise<void>;
export declare function recordHumanDecision(taskSlug: string, decision: 'approved' | 'rejected' | 'edited_then_merged'): Promise<FarmManifest>;
export declare function recordRespawn(taskSlug: string, respawnedAs: string): Promise<FarmManifest>;
export declare function setFarmMemoryFactId(taskSlug: string, factId: number): Promise<FarmManifest>;
export declare function recordPrCreated(taskSlug: string, prUrl: string): Promise<FarmManifest>;