export declare const IDENTITY_LOCK_RELEASE_AFTER: unique symbol;
export interface IdentityLockDeferredRelease {
    readonly [IDENTITY_LOCK_RELEASE_AFTER]: Promise<void>;
}
export interface IdentityLockOptions {
    readonly waitTimeoutMs?: number;
    readonly pollIntervalMs?: number;
}
export declare class IdentityLockTimeoutError extends Error {
    readonly lockPath: string;
    constructor(lockPath: string, waitTimeoutMs: number);
}
export declare function ensurePrivateIdentityDirectory(directory: string): Promise<void>;
export declare function withIdentityLock<T>(directory: string, operation: () => Promise<T>, options?: IdentityLockOptions): Promise<T>;