/**
 * Describes the type of book for which the feed is intended. Used when multiple feeds are provided over the same connection
 * tag: 1021
 * @readonly
 * @enum {number} (int)
 */
export declare enum MDBookType {
    /** Top of Book */
    TopOfBook = 1,
    /** Price Depth */
    PriceDepth = 2,
    /** Order Depth */
    OrderDepth = 3
}