import { type ResolvedConfig } from "../types.js";
export declare const LOCK_STALE_MS = 30000;
export declare const LEGACY_LOCK_STALE_MS: number;
export type LockName = "project" | "improve" | "backlog" | "report" | "design" | "attempts" | "ledger" | "navigation" | "queue" | "settings";
export declare function locksDir(resolved: ResolvedConfig): string;
export declare function lockTarget(resolved: ResolvedConfig, name: LockName): string;
export declare function withStateLock<T>(resolved: ResolvedConfig, name: LockName, fn: () => Promise<T>, opts?: {
    timeoutMs?: number;
    command?: string;
}): Promise<T>;
export declare function withProjectDirStateLock<T>(projectDir: string, name: LockName, fn: () => Promise<T>, opts?: {
    timeoutMs?: number;
    command?: string;
}): Promise<T>;
export declare function withExternalStateLock<T>(path: string, command: string, fn: () => Promise<T>, opts?: {
    timeoutMs?: number;
}): Promise<T>;
export declare function withProjectLock<T>(resolved: ResolvedConfig, command: string, fn: () => Promise<T>, opts?: {
    timeoutMs?: number;
}): Promise<T>;
export declare function assertStateLocksHealthy(): void;
export declare function projectLockAvailable(resolved: ResolvedConfig): Promise<boolean>;
export declare function stateLockHeld(resolved: ResolvedConfig, name: LockName): Promise<boolean>;
export declare function externalStateLockHeld(path: string): Promise<boolean>;