import * as t from "io-ts";
import * as Knex from "knex";
import { Address } from "../../types";
export declare const OrderType: t.KeyofType<{
    buy: null;
    sell: null;
}>;
export declare const BetterWorseOrdersParams: t.InterfaceType<{
    marketId: t.StringType;
    outcome: t.NumberType;
    orderType: t.KeyofType<{
        buy: null;
        sell: null;
    }>;
    price: t.StringType;
}, t.TypeOfProps<{
    marketId: t.StringType;
    outcome: t.NumberType;
    orderType: t.KeyofType<{
        buy: null;
        sell: null;
    }>;
    price: t.StringType;
}>, t.OutputOfProps<{
    marketId: t.StringType;
    outcome: t.NumberType;
    orderType: t.KeyofType<{
        buy: null;
        sell: null;
    }>;
    price: t.StringType;
}>, t.mixed>;
export interface BetterWorseResult {
    betterOrderId: Address | null;
    worseOrderId: Address | null;
}
export declare function getBetterWorseOrders(db: Knex, augur: {}, params: t.TypeOf<typeof BetterWorseOrdersParams>): Promise<BetterWorseResult>;