/**
 * Iterates through each entry in the mastercopy artifacts file and verifies the mastercopy on an Etherscan-compatible block explorer.
 *
 * @param {Object} params - The function parameters.
 * @param {number} params.chainId - The chain ID.
 * @param {string} params.apiKey - The API key used for verification.
 * @param {string} [params.mastercopyArtifactsFile=defaultMastercopyArtifactsFile()] - The path to the mastercopy artifacts file. Optional. Defaults to the result of `defaultMastercopyArtifactsFile()`.
 * @param {string} [params.apiUrl] - Optional custom API URL. If not provided, will use the default for the chain.
 *
 * @throws {Error} If the mastercopy artifacts file does not exist at the specified path.
 */
export default function ({ chainId, apiKey, mastercopyArtifactsFile, apiUrl, }: {
    chainId: number;
    apiKey: string;
    mastercopyArtifactsFile?: string;
    apiUrl?: string;
}): Promise<void>;