import { RestClientRequest } from "../../client";
interface RestFutOptHistoricalDailyBaseParams {
    date?: string;
    contractMonth?: string;
    session?: 'afterhours';
}
export type RestFutOptHistoricalDailyParams = RestFutOptHistoricalDailyBaseParams & ({
    product: string;
    symbol?: never;
}
/** @deprecated Use `product` instead. */
 | {
    symbol: string;
    product?: never;
});
export interface RestFutOptHistoricalDailyResponse {
    date: string;
    product: string;
    exchange: string;
    session: string;
    /** Present only when requested; resolved to the actual month for continuous aliases like `1!`. */
    contractMonth?: string;
    data: Array<{
        contractMonth: string;
        /** `null` for futures and spreads. */
        strikePrice: number | null;
        /** `null` for futures and spreads. */
        callPut: 'CALL' | 'PUT' | null;
        exchange: string;
        /** Price fields are `null` for rows without trades. */
        openPrice: number | null;
        highPrice: number | null;
        lowPrice: number | null;
        closePrice: number | null;
        change: number | null;
        changePercent: number | null;
        volume: number;
        /** Spread-to-single volume; set on spread rows only, `null` on other futures rows and absent on options. */
        volumeSpread?: number | null;
        /** `null` for spreads and the after-hours session. */
        openInterest: number | null;
        /** `null` for spreads and the after-hours session. */
        settlementPrice: number | null;
    }>;
}
export declare const daily: (request: RestClientRequest, params: RestFutOptHistoricalDailyParams) => Promise<RestFutOptHistoricalDailyResponse>;
export {};