@GwtIncompatible
abstract class AbstractRangeSet<C extends Comparable> implements RangeSet<C> {
  AbstractRangeSet() {}

  @Override
  public boolean contains(C value) {
    return rangeContaining(value) != null;
  }

  @Override
  public abstract @Nullable Range<C> rangeContaining(C value);

  @Override
  public boolean isEmpty() {
    return asRanges().isEmpty();
  }

  @Override
  public void add(Range<C> range) {

            handlePhantomReference(ref);
        }

        // Check for old unclosed resources
        long now = System.currentTimeMillis();
        for (ResourceHolder holder : activeResources.values()) {
            if (!holder.closed && holder.getAge() > maxResourceAge) {
                reportPotentialLeak(holder);
            }
        }
    }

    /**

            @Override
            public Object execute(String expression, Object value) {
                if (value != null) {
                    // we're going to parse this back in as XML so we need to escape XML markup
                    value = value.toString()
                            .replace("&", "&")
                            .replace("<", "&lt;")

          white-list-labels:
            - ':Delivery/Packaging'
          black-list-labels:
            - '>test-mute'
    axes:
      - axis:
          type: label-expression
          name: os
          values:
            - centos-7-packaging
            - centos-8-packaging
            - debian-9-packaging
            - debian-10-packaging
            - debian-11-packaging
            - opensuse-15-1-packaging

            - '>test-mute'
            - ':Delivery/Packaging'
    axes:
      - axis:
          type: label-expression
          name: os
          values:
            - "windows-2019"
      - axis:
          type: user-defined
          name: PACKAGING_TASK
          values:
            - 'default-windows-archive'
    builders:
      - inject:
          properties-file: '.ci/java-versions.properties'

from fastapi import FastAPI, Response

app = FastAPI()


@app.post("/cookie-and-object/")
def create_cookie(response: Response):
    response.set_cookie(key="fakesession", value="fake-cookie-session-value")

    /**
     * Sets an object in the current request attributes.
     *
     * @param name The attribute name
     * @param value The attribute value
     */
    public static void setObject(final String name, final Object value) {
        LaRequestUtil.getOptionalRequest().ifPresent(req -> req.setAttribute(name, value));
    }

    /**
     * Gets an object from the current request attributes.
     *

    }

    protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {
            String msg = "The value should not be null: variableName=null value=" + value;
            throw new IllegalArgumentException(msg);
        }
        if (value == null) {
            String msg = "The value should not be null: variableName=" + variableName;

    }

    protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {
            String msg = "The value should not be null: variableName=null value=" + value;
            throw new IllegalArgumentException(msg);
        }
        if (value == null) {
            String msg = "The value should not be null: variableName=" + variableName;

print(f"Hello {name} from Python")
```

/// tip

The second argument to [`os.getenv()`](https://docs.python.org/3.8/library/os.html#os.getenv) is the default value to return.

If not provided, it's `None` by default, here we provide `"World"` as the default value to use.

///

Then you could call that Python program:

//// tab | Linux, macOS, Windows Bash

<div class="termy">

```console