import { BigNumber, BigNumberish } from 'ethers';
export declare const WALLET_DELIMITER = ":";
export declare const LEDGER = "LEDGER";
export declare function getRandomInt(max: number): number;
export declare function wait(seconds: number): Promise<void>;
export declare function now(): number;
export declare function setValueIfUndefined(obj: any, key: string, value: any): void;
export declare function convertMapKeyToLowerCase<T>(target: Map<string, T>): Map<string, T>;
export declare function currentTimestampMilSecs(): number;
export declare const DEFAULT_RETRY_OPTION: {
    retries: number;
    onRetry: (error: Error) => void;
};
export declare function formatTs(timestamp?: number, utcOffSet?: number): string;
export declare function chunk<T>(arr: Array<T>, batchSize: number): T[][];
export declare function transpose<T>(arr: Array<Array<T>>): T[][];
export declare function translateIdentifiers(input: string): string[];
export declare function roughlyEqual(x: BigNumber, y: BigNumber, ratio?: number): boolean;
export declare function getRandomIntBetween(min: number, max: number): number;
export declare function getRandomBetween(min: number, max: number): number;
export declare function randomSort<T>(elements: T[]): T[];
export declare function fromWad(wad: BigNumberish): number;
export declare function toWad(num: BigNumberish): BigNumber;
export declare function formatWad(value: BigNumberish, fixedDecimals?: number): string;
export declare function formatUnits(value: BigNumberish, decimals: number, fixedDecimals?: number): string;
export declare function shortenNumberByDecimals(s: string, fixedDecimals: number): string;
export declare function formatPercentage(num: number, decimals?: number): string;
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