import { Augur } from "augur.js";
import * as Knex from "knex";
import { BigNumber } from "bignumber.js";
import { Address, FormattedEventLog } from "../../../types";
export declare function decreaseTokenBalance(db: Knex, augur: Augur, token: Address, owner: Address, amount: BigNumber, log: FormattedEventLog): Promise<void>;