import * as t from "io-ts";
import * as Knex from "knex";
import Augur from "augur.js";
import { UIFeeWindowCurrent } from "../../types";
export declare const FeeWindowParams: t.InterfaceType<{
    universe: t.StringType;
    reporter: t.UnionType<(t.NullType | t.UndefinedType | t.StringType)[], string | null | undefined, string | null | undefined, t.mixed>;
    feeWindowState: t.UnionType<(t.NullType | t.UndefinedType | t.StringType)[], string | null | undefined, string | null | undefined, t.mixed>;
    feeWindow: t.UnionType<(t.NullType | t.UndefinedType | t.StringType)[], string | null | undefined, string | null | undefined, t.mixed>;
}, t.TypeOfProps<{
    universe: t.StringType;
    reporter: t.UnionType<(t.NullType | t.UndefinedType | t.StringType)[], string | null | undefined, string | null | undefined, t.mixed>;
    feeWindowState: t.UnionType<(t.NullType | t.UndefinedType | t.StringType)[], string | null | undefined, string | null | undefined, t.mixed>;
    feeWindow: t.UnionType<(t.NullType | t.UndefinedType | t.StringType)[], string | null | undefined, string | null | undefined, t.mixed>;
}>, t.OutputOfProps<{
    universe: t.StringType;
    reporter: t.UnionType<(t.NullType | t.UndefinedType | t.StringType)[], string | null | undefined, string | null | undefined, t.mixed>;
    feeWindowState: t.UnionType<(t.NullType | t.UndefinedType | t.StringType)[], string | null | undefined, string | null | undefined, t.mixed>;
    feeWindow: t.UnionType<(t.NullType | t.UndefinedType | t.StringType)[], string | null | undefined, string | null | undefined, t.mixed>;
}>, t.mixed>;
export declare function getFeeWindow(db: Knex, augur: Augur, params: t.TypeOf<typeof FeeWindowParams>): Promise<UIFeeWindowCurrent<string> | null>;