export interface CancelOrderParams {
    /** 取消订单的钱包私钥 */
    privateKey: string;
    /** 要取消的订单 ID (orderId) */
    orderId: string;
    apiKey?: string;
    apiSecret?: string;
    apiPassphrase?: string;
    funder?: string;
}
export interface CancelOrderResult {
    success: boolean;
    message?: string;
    raw?: any;
}
/** 撤单 (@polymarket/client 统一 SDK cancelOrder, 2026-08-04 迁移). */
export declare function cancelOrder(params: CancelOrderParams): Promise<CancelOrderResult>;