export declare class ProfileLockedError extends Error {
    readonly profileDir: string;
    readonly holderPid?: number;
    constructor(profileDir: string, holderPid?: number);
}
export interface ProfileLockHandle {
    readonly profileDir: string;
    readonly lockPath: string;
    released: boolean;
    release(): void;
}
export declare function lockPathFor(profileDir: string): string;
export interface AcquireLockOptions {
    staleMs?: number;
}
export declare function acquireProfileLock(profileDir: string, options?: AcquireLockOptions): ProfileLockHandle;
export declare function isProfileLocked(profileDir: string): boolean;
export declare function withProfileLock<T>(profileDir: string, fn: (lock: ProfileLockHandle) => Promise<T>, options?: AcquireLockOptions): Promise<T>;
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