}
      }

    // Note that this may be be an encoded "end of data" header.
    return DerHeader(tagClass, tag, constructed, length)
  }

  /**
   * Consume a header and execute [block], which should consume the entire value described by the
   * header. It is an error to not consume a full value in [block].
   */
  internal inline fun <T> read(
    name: String?,
    block: (DerHeader) -> T,

```java
OkHttpClient client = new OkHttpClient();

String run(String url) throws IOException {
  Request request = new Request.Builder()
      .url(url)
      .build();

  try (Response response = client.newCall(request).execute()) {
    return response.body().string();
  }
}
```


Post to a Server
----------------

This program posts data to a service. [Full source][post_example].

```java

 with its <<<DefaultLifecycleExecutor>>> implementation({{{/xref/org/apache/maven/lifecycle/DefaultLifecycleExecutor.html}source}}), to plan or execute tasks.\
   on plugin goals execution order:

   * <<in a given phase, goals order is not expected to be guaranteed nor finely tuned>>:

    client =
      client
        .newBuilder()
        .addNetworkInterceptor(
          Interceptor { chain: Interceptor.Chain? ->
            throw AssertionError() // Network interceptors don't execute.
          },
        ).build()
    webServer.enqueue(
      MockResponse
        .Builder()
        .webSocketUpgrade(serverListener)
        .build(),
    )

    method.setAccessible(true);

    this.executor = bus.executor();
  }

  /** Dispatches {@code event} to this subscriber using the proper executor. */
  final void dispatchEvent(Object event) {
    executor.execute(
        () -> {
          try {
            invokeSubscriberMethod(event);
          } catch (InvocationTargetException e) {
            bus.handleSubscriberException(e.getCause(), context(event));
          }

    protected boolean lowercaseWildcard = true;

    @Override
    protected String getQueryClassName() {
        return PrefixQuery.class.getSimpleName();
    }

    @Override
    public QueryBuilder execute(final QueryContext context, final Query query, final float boost) {
        if (query instanceof final PrefixQuery prefixQuery) {
            if (logger.isDebugEnabled()) {

                // Mock successful strategy execution
                when(mockOrchestrator.executeStrategies(Mockito.any(), Mockito.any()))
                        .thenReturn(UpgradeResult.empty());

                applyGoal.execute(context);

                // Verify that the Apply-specific header is logged
                verify(context.logger).info("Maven Upgrade Tool - Apply");
            } finally {

            String key = "test-key";

            // Setup concrete implementation
            concreteImplementation.setKey(key);
            concreteImplementation.setCacheMap(cacheMap);

            // Execute replace
            concreteImplementation.replaceCache();

            // Verify
            assertEquals(concreteImplementation, cacheMap.get(key));
        }

        @Test

      this License, without any additional terms or conditions.
      Notwithstanding the above, nothing herein shall supersede or modify
      the terms of any separate license agreement you may have executed
      with Licensor regarding such Contributions.

   6. Trademarks. This License does not grant permission to use the trade
      names, trademarks, service marks, or product names of the Licensor,

     * canceled, even if this plan is canceled.
     */
    fun retry(): Plan?
  }

  /**
   * What to do once a plan has executed.
   *
   * If [nextPlan] is not-null, another attempt should be made by following it. If [throwable] is
   * non-null, it should be reported to the user should all further attempts fail.
   *