/**
 * Custom error for invalid identity names
 */
export declare class InvalidIdentityNameError extends Error {
    constructor(message: string);
}
/**
 * Service responsible for validating identity names
 * Follows Single Responsibility Principle (SRP)
 */
export declare class IdentityNameValidator {
    private static readonly MIN_LENGTH;
    private static readonly MAX_LENGTH;
    private static readonly PATTERN;
    /**
     * Validate an identity name
     * @param idtyName - The identity name to validate
     * @throws {InvalidIdentityNameError} If the identity name is invalid
     */
    static validate(idtyName: string): void;
}