var ambientPod *corev1.Pod
	var err error

	// The plugin already consulted the k8s API - but on this end handler caches may be stale, so retry a few times if we get no pod.
	// if err is returned, we couldn't find the pod
	// if nil is returned, we found it but ambient is not enabled
	for ambientPod, err = s.handlers.GetPodIfAmbient(name, namespace); (err != nil) && (retries < maxStaleRetries); retries++ {

 *     return response.request().newBuilder()
 *         .header("Proxy-Authorization", "secret")
 *         .build();
 *   }
 * }
 * return null; // Didn't find a preemptive auth scheme.
 * ```
 *
 * ## Reactive Authentication
 *
 * Implementations authenticate by returning a follow-up request that includes an authorization

                    findOptionalProjectBySelector(projects, baseDirectory, selector);
            if (!optSelectedProject.isPresent()) {
                String message = "Could not find the selected project in the reactor: " + selector;
                throw new MavenExecutionException(message, request.getPom());
            }

            MavenProject selectedProject = optSelectedProject.get();

					// Load bucket usage prefixes
					ctx, done := context.WithTimeout(ctx, 2*time.Second)
					ok := cache.load(ctx, er, bucket+slashSeparator+dataUsageCacheName) == nil
					done()
					if ok {
						root := cache.find(bucket)
						if root == nil {
							// We dont have usage information for this bucket in this
							// set, go to the next set
							continue
						}

                    }
                    if ( handler != null )
                        break;
                }
            }
            if ( handler == null ) {
                throw new IOException("Unable to find default handler for protocol: " + protocol);
            }
            PROTOCOL_HANDLERS.put(protocol, handler);
            return handler;
        }
    }

elif [ -r "$FESS_INCLUDE" ]; then
    . "$FESS_INCLUDE"
fi

if [ -x "$JAVA_HOME/bin/java" ]; then
    JAVA="$JAVA_HOME/bin/java"
else
    JAVA=`which java`
fi

if [ ! -x "$JAVA" ]; then
    echo "Could not find any executable java binary. Please install java in your PATH or set JAVA_HOME"
    exit 1
fi

if [ -z "$FESS_CLASSPATH" ]; then
    echo "You must set the FESS_CLASSPATH var" >&2
    exit 1
fi

So, when you type `python` in the terminal, the system will find the Python program in

```plaintext
C:\Users\user\code\awesome-project\.venv\Scripts\python
```

and use that one.

////

            sb.append(", update => ").append(releases.getUpdatePolicy()).append("]\n");
        }

        return sb.toString();
    }

    public Artifact find(Artifact artifact) {
        File artifactFile = new File(getBasedir(), pathOf(artifact));

        // We need to set the file here or the resolver will fail with an NPE, not fully equipped to deal

///

```Python hl_lines="10"
{!> ../../docs_src/header_params/tutorial002.py!}
```

////

/// warning

Before setting `convert_underscores` to `False`, bear in mind that some HTTP proxies and servers disallow the usage of headers with underscores.

///

## Duplicate headers

It is possible to receive duplicate headers. That means, the same header with multiple values.

	for len(cniConfName) == 0 {
		cniConfName, err = getDefaultCNINetwork(mountedCNINetDir)
		if err == nil {
			break
		}
		installLog.Warnf("Istio CNI is configured as chained plugin, but cannot find existing CNI network config: %v", err)
		installLog.Infof("Waiting for CNI network config file to be written in %v...", mountedCNINetDir)
		if err := watcher.Wait(ctx); err != nil {
			return "", err
		}
	}