/**
 * Strips a leading device-prefix group from `deviceNameRegex`, returning the pattern
 * to validate the name field value (without matPrefix).
 *
 * - `([sS][eE][pP]|BAT)[0-9a-fA-F]{12}` → `[0-9a-fA-F]{12}`
 * - `TCT[0-9A-Z._-]{1,12}` → `[0-9A-Z._-]{1,12}`
 * - `[a-zA-Z0-9]{1,15}` → `[a-zA-Z0-9]{1,15}` (unchanged)
 */
export declare function parseDeviceNameRegexBody(deviceNameRegex: string | null | undefined): string;