import { Hex } from 'viem';
/**
 * Ensures a hex string has '0x' prefix
 * @param value - The hex string to check
 * @returns The hex string with '0x' prefix
 */
export declare function hexPrefixed(value: string): Hex;
/**
 * Safely converts a value to BigInt, returns 0n if conversion fails
 */
export declare function safeBigInt(value: string | number): bigint;
/**
 * @example
 * const obj = ['a', 'b', 'c']
 * ObjectMapFromArray(obj) // { a: 'a', b: 'b', c: 'c' }
 */
export declare const ObjectMapFromArray: <T extends readonly string[]>(arr: T) => { [K in T[number]]: K; };
/**
 * Generates an array of validator URLs based on the given validator structs and network configurations.
 *
 * @property {ValidatorStruct[]} activeValidatorStructs - Array of validator structures containing IP and port information.
 * @returns {string[]} Array of constructed validator URLs.
 *
 * @example
 * // Example input
 * const activeValidatorStructs = [
 *   { ip: 3232235777, port: 443 }, // IP: 192.168.1.1
 *   { ip: 3232235778, port: 80 },  // IP: 192.168.1.2
 * ];
 *
 * // Example output
 * const urls = generateValidatorURLs(activeValidatorStructs);
 * console.log(urls);
 * Output: [
 *   "192.168.1.1:443",
 *   "192.168.1.2:80"
 * ]
 */
export declare function generateValidatorURLs(ipAndPorts: {
    ip: number;
    port: number;
}[]): string[];
/**
 * Converts an integer IP address to a string representation of the IP address.
 *
 * @param ip - The integer IP address to convert.
 * @returns The string representation of the IP address.
 */
export declare const intToIP: (ip: number) => string;