/**
 * Indicates order settlement period for the underlying instrument.
 * - Tag: 975
 * - FIX Specification type: int
 * - Mapped type: number
 * @readonly
 * @public
 */
export declare const UnderlyingSettlementType: Readonly<{
    /** T+1 */
    readonly TPlus1: 2;
    /** T+3 */
    readonly TPlus3: 4;
    /** T+4 */
    readonly TPlus4: 5;
}>;
export type UnderlyingSettlementType = (typeof UnderlyingSettlementType)[keyof typeof UnderlyingSettlementType];