/**
 * Type of Market Data update action.
 * tag: 279
 * @readonly
 * @enum {string} (char)
 */
export declare enum MDUpdateAction {
    /** New */
    New = "0",
    /** Change */
    Change = "1",
    /** Delete */
    Delete = "2",
    /** Delete Thru */
    DeleteThru = "3",
    /** Delete From */
    DeleteFrom = "4",
    /** Overlay */
    Overlay = "5"
}