import { type AbiContract } from '@eversdk/core';
/**
 * Add `0x` to string or number
 * @param number
 * @example
 *   x0('123')
 * @return
 *   '0x123'
 */
export declare function x0(number: string | number | bigint): string;
/**
 * Convert abi to hex
 * @param abi
 * @example
 *   abiToHex('{ABI ver...')
 * @return
 *   '7b0a0922...'
 */
export declare function abiToHex(abi: AbiContract): string;
/**
 * Convert string to hex
 * @param string
 * @example
 *   stringToHex('XYZ123')
 * @return
 *   '58595a313233'
 */
export declare function stringToHex(string: string): string;
/**
 * Convert array of strings to hex. Actual for string[] or bytes[] parameter in Solidity
 * @param strings
 * @example
 *   stringsToHex(['XYZ123', 'ABC456'])
 * @return
 *   ['58595a313233', '414243343536']
 */
export declare function stringsToHex(strings: string[]): string[];
/**
 * Convert number to hex
 * @param number
 * @example
 *   numberToHex(1_000_000_000)
 * @return
 *   '0x3b9aca00'
 */
export declare function numberToHex(number: number): string;
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