/**
 * Error code for a model type string that has no registered handler.
 */
export declare const UNKNOWN_MODEL_TYPE_ERROR_CODE = "UNKNOWN_MODEL_TYPE";
/**
 * Error code for an invalid or inaccessible cursor document key in a query request.
 */
export declare const BAD_DOCUMENT_QUERY_CURSOR_ERROR_CODE = "BAD_DOCUMENT_QUERY_CURSOR";