export declare function validateToken(token: string, appId: string): Promise<boolean>;
export declare function extractLoginId(token: string): string | null;
export declare function getUserName(loginId: string): Promise<string | null>;
export interface ValidateAppTokenResponse {
    valid: boolean;
    appToken?: string;
    payload?: {
        appId: string;
        loginId: string;
    };
}
export declare function validateAndGenerateAppToken(token: string, appId: string): Promise<ValidateAppTokenResponse>;