/**
 * Indicates that IOI is the result of an existing agency order or a facilitation position resulting from an agency order, not from principal trading or order solicitation activity.
 * tag: 130
 * @readonly
 * @enum {string} (Boolean)
 */
export declare enum IOINaturalFlag {
    /** Not Natural */
    NotNatural = "N",
    /** Natural */
    Natural = "Y"
}