We need to define what happens in the when things are not setup correctly

 o ~/.m2 directory does not exist
 o ~/.m2/maven.properties does not exist
 o if they once existed but now to do not exist

 * consider <a href="https://github.com/lukas-krecan/future-converter">Future Converter</a>.
 *
 * @author Sven Mawson
 * @since 10.0 (replacing {@code Futures.makeListenable}, which existed in 1.0)
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public final class JdkFutureAdapters {
  /**

		return nil, fmt.Errorf("go language version %s is not a toolchain version", rev)
	}

	// Check that the underlying toolchain exists.
	// We always ask about linux-amd64 because that one
	// has always existed and is likely to always exist in the future.
	// This avoids different behavior validating go versions on different
	// architectures. The eventual download uses the right GOOS-GOARCH.

 * consider <a href="https://github.com/lukas-krecan/future-converter">Future Converter</a>.
 *
 * @author Sven Mawson
 * @since 10.0 (replacing {@code Futures.makeListenable}, which existed in 1.0)
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public final class JdkFutureAdapters {
  /**

	reqAddresses := addresses
	if full {
		reqAddresses = nil
	}
	addrs, removed := e.Server.Env.ServiceDiscovery.AddressInformation(reqAddresses)
	// Note: while "removed" is a weird name for a resource that never existed, this is how the spec works:
	// https://www.envoyproxy.io/docs/envoy/latest/api-docs/xds_protocol#id2
	have := sets.New[string]()
	haveAliases := sets.New[string]()
	for _, addr := range addrs {

		switch {
		case errors.IsNotFound(err):
			// no-op
		case err != nil:
			return errors.NewInternalError(err)
		default:
			exists = true
		}
		if exists {
			klog.V(4).InfoS("Namespace existed in cache after waiting", "namespace", klog.KRef("", a.GetNamespace()))
		}
	}

    /**
     * If a configuration with the given name already exists, verify its usage matches the expected role and return it.
     * Otherwise, create a new configuration as defined by the given {@code request}.
     *
     * @param request information about the desired configuration
     * @return the configuration that was created or already existed
     * @throws GradleException if the request cannot be fulfilled
     */

	// will be closed.  Services that are new will be opened.  Service that
	// existed and are in the new set will be left alone.  The value of the map
	// is the healthcheck-port to listen on.
	SyncServices(newServices map[types.NamespacedName]uint16) error
	// Make the new set of endpoints be active.  Endpoints for services that do
	// not exist will be dropped.  The value of the map is the number of
	// endpoints the service has on this node.

	hashPool *sync.Pool
}

type cache interface {
	// given a key, return the record, and whether or not it existed
	get(key string) (value *cacheRecord, exists bool)
	// caches the record for the key
	set(key string, value *cacheRecord, ttl time.Duration)
	// removes the record for the key
	remove(key string)
}

	// where a failure is likely; the func is meant to lazily
	// parse/decompress data that is already known to be good. The
	// error in the signature primarily is meant for use in the
	// case where a cert file existed on local disk when the program
	// started up is deleted later before it's read.
	getCert func() (*Certificate, error)
}

// NewCertPool returns a new, empty CertPool.
func NewCertPool() *CertPool {
	return &CertPool{