/**
     * Gets the client IP address from the request.
     * Checks X-Forwarded-For header before using remote address.
     *
     * @param request the HTTP servlet request
     * @return the client IP address
     */
    public String getClientIp(final HttpServletRequest request) {
        final String value = request.getHeader("x-forwarded-for");
        if (StringUtil.isNotBlank(value)) {
            return value;

      this.function = checkNotNull(function);
    }

    /**
     * The default implementation inherited is based on iteration and removal of each element which
     * can be overkill. That's why we forward this call directly to the backing list.
     */
    @Override
    protected void removeRange(int fromIndex, int toIndex) {
      fromList.subList(fromIndex, toIndex).clear();
    }

    @Override

 *
 * @author mbechler
 */
public class DelegatingConfiguration implements Configuration {

    private final Configuration delegate;

    /**
     * Creates a delegating configuration that forwards calls to another configuration
     * @param delegate
     *            delegate to pass all non-overridden method calls to
     *
     */
    public DelegatingConfiguration(final Configuration delegate) {

* the parent class
* the subclass
* the child class
* the sibling class
* the class method

* the header
* the headers
* the authorization header
* the `Authorization` header
* the forwarded header

* the dependency injection system
* the dependency
* the dependable
* the dependant

* I/O bound
* CPU bound
* concurrency
* parallelism
* multiprocessing

* the env var

// [ZIP specification]: https://support.pkware.com/pkzip/appnote
type FileHeader struct {
	// Name is the name of the file.
	//
	// It must be a relative path, not start with a drive letter (such as "C:"),
	// and must use forward slashes instead of back slashes. A trailing slash
	// indicates that this file is a directory and should have no data.
	Name string

	// Comment is any arbitrary user-defined string shorter than 64KiB.
	Comment string

        if (cookieSecure != null) {
            return cookieSecure;
        }

        return LaRequestUtil.getOptionalRequest().map(req -> {
            String forwardedProto = req.getHeader("X-Forwarded-Proto");
            if ("https".equalsIgnoreCase(forwardedProto)) {
                return true;
            }
            return req.isSecure();
        }).orElse(false);
    }

    /**

type httpStreamResponse struct {
	done  chan error
	block chan []byte
	err   error
}

// Write part of the streaming response.
// Note that upstream errors are currently not forwarded, but may be in the future.
func (h *httpStreamResponse) Write(b []byte) (int, error) {
	if len(b) == 0 || h.err != nil {
		// Ignore 0 length blocks
		return 0, h.err
	}
	tmp := make([]byte, len(b))

                return true;
            }
        }

        return false;
    }

    /**
     * Normalize a path
     */
    private String normalizePath(String path) {
        // Replace forward slashes with backslashes for consistency
        String normalized = path.replace('/', '\\');

        // Remove duplicate slashes
        normalized = normalized.replaceAll("\\\\+", "\\\\");

            return new ForwardingRunnable(runnable) {
              @Override
              public void run() {}
            };
          }
        },
        "run()",
        "Failed to forward");
  }

  public void testRedundantForwarding() {
    assertFailure(
        Runnable.class,
        new Function<Runnable, Runnable>() {
          @Override

kube-dns addon optional so that users can deploy their own DNS solution. ([#57113](https://github.com/kubernetes/kubernetes/pull/57113), [@wwwtyro](https://github.com/wwwtyro))

* `kubectl port-forward` now supports specifying a service to port forward to, as in `kubectl port-forward svc/myservice 8443:443`. Additional support has also been added for looking up targetPort for a service, as well as enabling using svc/name to select a pod. ([#59809](https://github.com/kubernetes/kubernetes/pull/59809),...