mutableValueGraph.addNode(node);
      return this;
    }

    /**
     * Adds an edge connecting {@code nodeU} to {@code nodeV} if one is not already present, and
     * sets a value for that edge to {@code value} (overwriting the existing value, if any).
     *
     * <p>If the graph is directed, the resultant edge will be directed; otherwise, it will be
     * undirected.
     *

    public void testSecureWipePassword() {
        String testPassword = "SecurePassword456!";
        NtlmPasswordAuthenticator auth = new NtlmPasswordAuthenticator("testuser", testPassword);

        // Verify password is set
        assertEquals(testPassword, auth.getPassword());

        // Wipe password
        auth.secureWipePassword();

        // Verify password is wiped
        assertNull(auth.getPassword());

     *
     * <ul>
     *   <li>If {@link #MODULES} path type is also set, then the dependency can be placed either on the
     *       class path or on the module path, but only one of those. The choice is up to the plugin,
     *       possibly using heuristic rules (Maven 3 behavior).</li>
     *   <li>If a {@link #patchModule(String)} is also set and the main JAR file is placed on the module path,

        d.setSystemPath(file.getCanonicalPath());

        artifact = repositorySystem.createDependencyArtifact(d);

        //
        // The request has not set any local or remote repositories as the system scoped dependency being resolved
        // should only
        // give us the dependency off the disk and nothing more.
        //

この引数を省略するとデフォルト値として`None`が返されますが、ここではデフォルト値として`"World"`を指定しています。

///

次に、このPythonプログラムを呼び出します。

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

<div class="termy">

```console
// Here we don't set the env var yet
$ python main.py

// As we didn't set the env var, we get the default value

Hello World from Python

// But if we create an environment variable first
$ export MY_NAME="Wade Wilson"

// And then call the program again

   * {@code Optional.orElse(null)}.
   */
  public abstract @Nullable T orNull();

  /**
   * Returns an immutable singleton {@link Set} whose only element is the contained instance if it
   * is present; an empty immutable {@link Set} otherwise.
   *
   * <p><b>Comparison to {@code java.util.Optional}:</b> this method has no equivalent in Java 8's
   * {@code Optional} class. However, this common usage:

        if (StringUtil.isNotBlank(name)) {
            return request.getParameter(name);
        }
        return null;
    }

    /**
     * Set the random instance.
     * @param random The random instance.
     */
    public void setRandom(final Random random) {
        this.random = random;
    }

                    "operationId": "create_item_items__post",
                    "requestBody": {
                        "content": {
                            "application/json": {

     * This tests the underlying SMBUtil.readInt8 behavior.
     */
    @Test
    public void testGetTimestampNegative() {
        long expectedTimestamp = -1L; // Represents all bits set to 1 for an 8-byte long
        byte[] rawBytes = new byte[8];
        SMBUtil.writeInt8(expectedTimestamp, rawBytes, 0);
        AvTimestamp avTimestamp = new AvTimestamp(rawBytes);

    }

    @Override
    public Artifact find(Artifact artifact) {
        File artifactFile = new File(localRepository.getBasedir(), pathOf(artifact));

        // We need to set the file here or the resolver will fail with an NPE, not fully equipped to deal
        // with multiple local repository implementations yet.
        artifact.setFile(artifactFile);

        return artifact;
    }