def METHOD_NAME(self, domain: str, cert_path: str, key_path: str, chain_path: str,
                fullchain_path: str) -> None:
    """Installs cert"""
    cert_path, key_path, chain_path = self.copy_certs_and_keys(cert_path, key_path, chain_path)
    if not self._configurator:
        raise ValueError("Configurator plugin is not set.")
    self._configurator.METHOD_NAME(
        domain, cert_path, key_path, chain_path, fullchain_path)