import BigNumber from "bignumber.js";
export declare function isString(value: any): boolean;
export declare function isByte(value: any): boolean;
export declare function isArray(obj: any): boolean;
export declare function isBigNumber(value: any): value is BigNumber;
export declare function isHex(value: string): boolean;
export declare function isFunction(value: any): boolean;
export declare function isInteger(value: any): boolean;