*
   * @since 6.0
   */
  public boolean isUnderPublicSuffix() {
    return publicSuffixIndex() > 0;
  }

  /**
   * Indicates whether this domain name is composed of exactly one subdomain component followed by a
   * {@linkplain #isPublicSuffix() public suffix}. For example, returns {@code true} for {@code
   * google.com} {@code foo.co.uk}, and {@code myblog.blogspot.com}, but not for {@code

///

## Separating tests { #separating-tests }

In a real application, you probably would have your tests in a different file.

And your **FastAPI** application might also be composed of several files/modules, etc.

### **FastAPI** app file { #fastapi-app-file }

Let's say you have a file structure as described in [Bigger Applications](bigger-applications.md){.internal-link target=_blank}:

```
.

The API docs use **Swagger UI** and **ReDoc**, and each of those need some JavaScript and CSS files.

By default, those files are served from a <abbr title="Content Delivery Network: A service, normally composed of several servers, that provides static files, like JavaScript and CSS. It's commonly used to serve those files from the server closer to the client, improving performance.">CDN</abbr>.

`OAuth2PasswordRequestForm` is a class dependency that declares a form body with:

* The `username`.
* The `password`.
* An optional `scope` field as a big string, composed of strings separated by spaces.
* An optional `grant_type`.

/// tip

The OAuth2 spec actually *requires* a field `grant_type` with a fixed value of `password`, but `OAuth2PasswordRequestForm` doesn't enforce it.

          hashFunction.newHasher().putString(string, charset).hash());
    }
  }

  /**
   * This verifies that putUnencodedChars(String) and hashUnencodedChars(String) are equivalent,
   * even for funny strings composed by (possibly unmatched, and mostly illegal) surrogate
   * characters. (But doesn't test that they do the right thing - just their consistency).
   */
  private static void assertHashStringWithSurrogatesEquivalence(

 * whose edges are <a
 * href="https://github.com/google/guava/wiki/GraphsExplained#uniqueness">unique</a> objects.
 *
 * <p>A graph is composed of a set of nodes and a set of edges connecting pairs of nodes.
 *
 * <p>There are three primary interfaces provided to represent graphs. In order of increasing

---

Common examples of CPU bound operations are things that require complex math processing.

For example:

* **Audio** or **image processing**.
* **Computer vision**: an image is composed of millions of pixels, each pixel has 3 values / colors, processing that normally requires computing something on those pixels, all at the same time.

     *
     * @throws CIFSException if an error occurs modifying the resource
     */
    void setReadOnly() throws CIFSException;

    /**
     * Set the attributes of this file. Attributes are composed into a
     * bitset by bitwise ORing the <code>ATTR_*</code> constants. Setting the
     * value returned by <code>getAttributes</code> will result in both files
     * having the same attributes.
     *

            return 0;
        }
        exists();
        return attributes & ATTR_GET_MASK;
    }

    /**
     * Set the attributes of this file. Attributes are composed into a
     * bitset by bitwise ORing the {@code ATTR_*} constants. Setting the
     * value returned by {@code getAttributes} will result in both files
     * having the same attributes.

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