export declare const MESSAGE: {
    CORE: {
        BACKEND_ERROR: string;
    };
    QUERY: {
        MUST_PROVIDE_SORTING_FIELD: string;
    };
    RTC: {
        BAD_MESSAGE: string;
        BAD_EVENT_SUBSCRIPTION_TYPE: string;
        BAD_WEBSOCKET_CREATION_CALLBACK: string;
        CONNECTION_CLOSED: string;
        CONNECTION_FAILED: string;
        ERROR_CREATING_WEBSOCKET: string;
        EXCEPTION_IN_CLIENT_CALLBACK: string;
        NOT_OPEN_ERROR: string;
        NOT_OPEN_MESSAGE: string;
        NO_WESBSOCKET_PRESENT: string;
        UMS_ERROR: string;
    };
    TOKEN_MANAGER: {
        TOKEN_NOT_AVAILABLE: string;
        ALIAS_NOT_FOUND: string;
    };
    FILESET: {
        UPLOADING_FILE_ERROR: string;
    };
};