export declare class ERROR { static ERROR: string; static VALIDATE_API_FAILED: string; static VALIDATE_ACTION_API_FAILED: string; static API_CONFIG_FAILED: string; static API_CONFIG_LOADING_FAILED: string; static API_NAME_NOT_SET: string; static ERROR_FETCHING_DATA: string; static UNABLE_TO_FETCH_QUEUE_LIST: string; static NO_QUEUE_FOUND_WITH_ID: string; static ERROR_FETCHING_WIDGET_DATA: string; static ERROR_MISSING_PARAMETERS: string; static INVALID_INDEX: string; static ERROR_DELETE_DICTIONARY_ITEM: string; static MISSING_REQUIRED_FIELD: string; static API_VALIDATE_REQURIED: string; }