/**
* This file and any referenced files were automatically generated by @cosmology/telescope@1.5.4
* DO NOT MODIFY BY HAND. Instead, download the latest proto files for your chain
* and run the transpile command or yarn proto command to regenerate this bundle.
*/
/**
* Calculates the UTF8 byte length of a string.
* @param {string} string String
* @returns {number} Byte length
*/
export declare function utf8Length(str: string): number;
/**
* Reads UTF8 bytes as a string.
* @param {Uint8Array} buffer Source buffer
* @param {number} start Source start
* @param {number} end Source end
* @returns {string} String read
*/
export declare function utf8Read(buffer: ArrayLike<number>, start: number, end: number): string;
/**
* Writes a string as UTF8 bytes.
* @param {string} string Source string
* @param {Uint8Array} buffer Destination buffer
* @param {number} offset Destination offset
* @returns {number} Bytes written
*/
export declare function utf8Write(str: string, buffer: Uint8Array | Array<number>, offset: number): number;