/**
 * Custom Error class that extends built-in Error.
 */
export declare class OpenT2TConstants {
    static InternalServerError: string;
    static AccessDenied: string;
    static DeviceNotFound: string;
    static HMacSignatureVerificationFailed: string;
    static InvalidAuthInfoInput: string;
    static InvalidHubId: string;
    static InvalidResourceId: string;
    static MissingTranslator: string;
    static MustSubscribeToDevice: string;
    static NotImplemented: string;
    static ResourceNotFound: string;
    static UnknownHubSubscribeRequest: string;
    static UnknownPlatform: string;
}