/**
 * Validates an HDHomeRun DeviceID checksum. A valid DeviceID produces zero when processed through the alternating lookup/raw XOR algorithm.
 * @param deviceId - The 8-character hex DeviceID to validate.
 * @returns True if the checksum is valid.
 */
export declare function validateDeviceId(deviceId: string): boolean;
/**
 * Generates a valid HDHomeRun DeviceID. Creates a random 24-bit prefix and finds a final byte that satisfies the checksum constraint.
 * @returns An 8-character lowercase hex string with a valid HDHomeRun checksum.
 */
export declare function generateDeviceId(): string;