return this;
        }

        /**
         * Sets the input location information for the XML node.
         * <p>
         * This is typically used for error reporting and debugging purposes.
         *
         * @param inputLocation the input location object
         * @return this builder instance
         */
        public Builder inputLocation(Object inputLocation) {

     *       cleared, we know that we're not executing inline any more
     * </ul>
     *
     * All the states where thread != currentThread are identical for our purposes, and so even
     * though it's racy, we don't care which of those values we get, so no need to synchronize.
     */
    @LazyInit @Nullable Thread thread;

    /** Only used by the thread associated with this object */

        if (value.isEmpty()) {
            return new String[0];
        }
        return new String[] {option, value};
    }

    /**
     * {@return a string representation of this path type for debugging purposes}.
     */
    @Override
    public String toString() {
        return "PathType[" + id() + ']';
    }

    /**
     * Type of path which is applied to only one specific Java module.

   *
   * @since 8.0
   */
  public static final byte SYN = 22;

  /**
   * End of Transmission Block: A communication control character used to indicate the end of a
   * block of data for communication purposes. ETB is used for blocking data where the block
   * structure is not necessarily related to the processing format.
   *
   * @since 8.0
   */
  public static final byte ETB = 23;

  /**

      }
      statsCounter.recordEviction();
      return removal;
    }
  }

  /**
   * Any updates to LocalCache.Strength used in CacheBuilder need to be matched in this class for
   * compilation purposes.
   */
  enum Strength {
    /*
     * TODO(kevinb): If we strongly reference the value and aren't loading, we needn't wrap the
     * value. This could save ~8 bytes per entry.
     */

    STRONG {

choose to limit the searching to particular classes. The application ClassRealm, or parent ClassRealm, should only expose the API in the form of and application interface and model classes that may be required by plugins.

For debugging purposes we also need to keep track of what versions of artifacts are being used so that when we are debugging in the IDE we can find the specific sources for a given version of a library so that the developer can debug the correct version of a library being...

     * <p>Then the returned value is {@code groupId:artifactId} when there is a name clash and
     * {@code :artifactId} if there is no conflict.
     * This method is made package-private for testing purposes.
     *
     * @param mavenProjects Maven projects which are part of build execution.
     * @param firstFailedProject The first project which has failed.

                                    + " which is only intended for maven-plugin projects "
                                    + "but not for non maven-plugin projects. "
                                    + "For such purposes you should use the maven-enforcer-plugin. "
                                    + "See https://maven.apache.org/enforcer/enforcer-rules/requireMavenVersion.html",
                            mavenProject.getId());

You can get the current `root_path` used by your application for each request, it is part of the `scope` dictionary (that's part of the ASGI spec).

Here we are including it in the message just for demonstration purposes.

{* ../../docs_src/behind_a_proxy/tutorial001_py39.py hl[8] *}

Then, if you start Uvicorn with:

<div class="termy">

```console
$ fastapi run main.py --forwarded-allow-ips="*" --root-path /api/v1

  //   timeout is small we shouldn't park(). This needs to be traded off with the cpu overhead of
  //   spinning, so we use SPIN_THRESHOLD_NANOS which is what AbstractQueuedSynchronizer uses for
  //   similar purposes.
  // * We want to behave reasonably for timeouts of 0
  // * We are more responsive to completion than timeouts. This is because parkNanos depends on