/**
 * Overhead size for a pushdata element in a script
 * @param i
 */
export declare function pushdataEncodingLength(i: number): number;
/**
 * https://developer.bitcoin.org/reference/transactions.html#compactsize-unsigned-integers
 * https://github.com/bitcoinjs/varuint-bitcoin/blob/1d5b253/index.js#L79
 * @param integer
 * @return {number} - The compact size the integer requires when serialized in a transaction
 */
export declare function compactSize(integer: number): number;