import * as Utils from './utils';
declare global {
    interface String {
        strip0x(): string;
        isHex(): boolean;
        toHex(): string;
        fromHex(): string;
        toAscii(): string;
        isAddress(): boolean;
        isEtherAddress(): boolean;
        addrIsEqual(address: string): boolean;
        toChecksumAddress(): string;
        isKeccakHash(): boolean;
        trimAddress(): string;
        findHex(): string[];
        findHex(type: 'address'): string[];
        findHex(type: 'keccak'): string[];
        toSha3(): string;
        toUtf8Bytes(): Uint8Array;
        isNumber(): boolean;
        toUint(add0x?: boolean): string;
        isValidJSON(): boolean;
        isTwitterUrl(): boolean;
        getTwitterUsername(): string | undefined;
        rndHex(l?: number): string;
        sleep(): Promise<void>;
        /**
         * chops given string into 32bit string array (64 length)
         * regex: `String(this).replace(/0x/i, '').match(/.{1,64}/g)`
         * @date 9/14/2022 - 6:17:11 AM
         *
         * @returns {string[]}
         */
        split64(_strict?: boolean): string[];
        /**
         * chops given string into 16bit string array (32 length)
         * regex: `String(this).replace(/0x/i, '').match(/.{1,32}/g)`
         * @date 9/14/2022 - 6:17:11 AM
         *
         * @returns {string[]}
         */
        split32(_strict?: boolean): string[];
        parseJSON<T = any>(errorHandler?: Function): T;
        isValidJson(): boolean;
        isValidJSON(): boolean;
        formatJSON(options?: Partial<Utils.ToJSON_WithSpaces_Options>): string;
        formatJson(options?: Partial<Utils.ToJSON_WithSpaces_Options>): string;
    }
    interface Number {
        toUint(add0x?: boolean): string;
        toHex(): string;
        isOdd(): boolean;
    }
}
export {};