/**
 * Admin Update User Attributes DTO
 *
 * Request DTO for administrators to update a user's profile information.
 *
 * Security:
 * - Requires target user sub (UUID)
 * - All fields validated according to UserUpdateDTO rules
 * - Uniqueness constraints enforced
 *
 * @example
 * ```typescript
 * const result = await adminAuthService.updateUserAttributes({
 *   sub: 'user-uuid',
 *   username: 'newusername',
 *   firstName: 'John',
 *   lastName: 'Doe',
 * });
 * ```
 */
import { UserUpdateDTO } from './user-update.dto';
/**
 * Request DTO for admin updating user attributes (includes sub)
 */
export declare class AdminUpdateUserAttributesDTO extends UserUpdateDTO {
    /**
     * User's unique identifier (UUID v4)
     *
     * Validation:
     * - Must be a valid UUID v4 format
     * - Matches DB constraint: char(36) or uuid
     *
     * Sanitization:
     * - Trimmed
     * - Lowercased for consistency
     *
     * @example "a21b654c-2746-4168-acee-c175083a65cd"
     */
    sub: string;
}
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