export interface EconomicCalendarRequest {
    region?: string;
    importance?: '1' | '2' | '3';
    before?: string;
    after?: string;
    limit?: string;
}
export interface UnitConvertRequest {
    type?: '1' | '2';
    instId: string;
    sz: string;
    px?: string;
    unit?: 'coin' | 'usds';
    opType: 'open' | 'close';
}
export interface CandleRequest {
    instId: string;
    after?: string;
    before?: string;
    bar?: string;
    limit?: string;
}
export interface GetPremiumHistoryRequest {
    instId: string;
    after?: string;
    before?: string;
    limit?: string;
}
export interface GetContractOpenInterestHistoryRequest {
    instId: string;
    period?: string;
    end?: string;
    begin?: string;
    limit?: string;
}
export interface GetContractTakerVolumeRequest {
    instId: string;
    period?: string;
    unit?: string;
    end?: string;
    begin?: string;
    limit?: string;
}
export interface GetTopTradersContractLongShortRatioRequest {
    instId: string;
    period?: string;
    end?: string;
    begin?: string;
    limit?: string;
}
export interface GetOptionTradesRequest {
    instId?: string;
    instFamily?: string;
    optType?: 'C' | 'P';
}