export declare class ProviderHashUtil {
    private static readonly USER_MODEL;
    private static readonly CLIENT_MODEL;
    private static userModelHash;
    private static clientModelHash;
    private static calculateModelHash;
    static initialize(): void;
    static determineUserType(providerHash: string): 'user' | 'client' | null;
    static getConfiguredHashes(): {
        user: string | null;
        client: string | null;
    };
}