{!../../docs_src/path_operation_advanced_configuration/tutorial003.py!}
```

## Advanced description from docstring

You can limit the lines used from the docstring of a *path operation function* for OpenAPI.

Adding an `\f` (an escaped "form feed" character) causes **FastAPI** to truncate the output used for OpenAPI at this point.

It won't show up in the documentation, but other tools (such as Sphinx) will be able to use the rest.

  // +optional
  optional int32 stabilizationWindowSeconds = 3;

  // selectPolicy is used to specify which policy should be used.
  // If not set, the default value Max is used.
  // +optional
  optional string selectPolicy = 1;

  // policies is a list of potential scaling polices which can be used during scaling.
  // At least one policy must be specified, otherwise the HPAScalingRules will be discarded as invalid

But when checking benchmarks and comparisons you should keep the following in mind.

## Benchmarks and speed

  @J2ktIncompatible
  @GwtIncompatible // used only from suite
  public static final class ImmutableIntArrayAsListGenerator extends TestIntegerListGenerator {
    @Override
    protected List<Integer> create(Integer[] elements) {
      return makeArray(elements).asList();
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // used only from suite

  @J2ktIncompatible
  @GwtIncompatible // used only from suite
  public static final class ImmutableDoubleArrayAsListGenerator extends TestDoubleListGenerator {
    @Override
    protected List<Double> create(Double[] elements) {
      return makeArray(elements).asList();
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // used only from suite

//   be inconsistent with the bool keyword in C++. Thus, the use
//   of stdbool.h is avoided and unsigned char is used instead.
// * size_t is used to represent byte sizes of objects that are
//   materialized in the address space of the calling process.
// * int is used as an index into arrays.
// * Deletion functions are safe to call on nullptr.
//
// Questions left to address:

| `minio_node_mem_used`          | Used memory on the node.                  |
| `minio_node_mem_used_avg`      | Used memory on the node (avg).            |
| `minio_node_mem_used_max`      | Used memory on the node (max).            |
| `minio_node_mem_used_perc`     | Used memory percentage on the node.       |
| `minio_node_mem_used_perc_avg` | Used memory percentage on the node (avg). |

	}
	versionID = fi.VersionID
	if versionID == "" {
		versionID = nullVersionID
	}

	fi.Data = inData.find(versionID)
	if len(fi.Data) == 0 {
		// PR #11758 used DataDir, preserve it
		// for users who might have used master
		// branch
		fi.Data = inData.find(fi.DataDir)
	}
	return fi, nil
}

// hashDeterministicString will return a deterministic hash for the map values.

import org.apache.maven.api.annotations.Nullable;

/**
 * Interface used to locate the root directory for a given project.
 *
 * The root locator is usually looked up from the plexus container.
 * One notable exception is the computation of the early {@code session.rootDirectory}
 * property which happens very early.  The implementation used in this case
 * will be discovered using the JDK service mechanism.
 *

    /**
     * Ctor that creates "managed" ClassWorld. This constructor is not used in "normal" circumstances.
     */
    public ClingSupport() {
        this(new ClassWorld(CORE_CLASS_REALM_ID, Thread.currentThread().getContextClassLoader()), true);
    }

    /**
     * Ctor to be used when running in ClassWorlds Launcher.
     */
    public ClingSupport(ClassWorld classWorld) {