/**
 * Thrown by all lock operations for system errors, timeouts, and failures.
 * Use `code` to distinguish error types and `context` for debugging details.
 */
export declare class LockError extends Error {
    code: "ServiceUnavailable" | "AuthFailed" | "InvalidArgument" | "RateLimited" | "NetworkTimeout" | "AcquisitionTimeout" | "Aborted" | "Internal";
    /** Debugging context: lock key, ID, and underlying error */
    context?: {
        key?: string;
        lockId?: string;
        cause?: unknown;
    } | undefined;
    constructor(code: "ServiceUnavailable" | "AuthFailed" | "InvalidArgument" | "RateLimited" | "NetworkTimeout" | "AcquisitionTimeout" | "Aborted" | "Internal", // Unexpected backend errors or quota limits
    message?: string, 
    /** Debugging context: lock key, ID, and underlying error */
    context?: {
        key?: string;
        lockId?: string;
        cause?: unknown;
    } | undefined);
}