export function assert(bool: any, value: any): void;
/**
 * @param {Buffer} buffer
 * @param {boolean} alignLeft
 * @return {Buffer}
 */
export function alignBuffer(buffer: Buffer, alignLeft?: boolean): Buffer;
export function awaitTimeout(promise: any, timeout: any): Promise<any>;
export function decodeHexEncodedStr(hexEncodedStr: any): string;
export function isHexString(v: any): any;
export function isBytes(value: any): boolean;
export function validAddressPrefix(addressBuf: any): boolean;
export function sleep(ms: any): Promise<any>;
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