import org.gradle.internal.UncheckedException;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

/**
 * Resolves partial type names into fully qualified type names.
 */
public class TypeNameResolver {
    private final Set<String> primitiveTypes = new HashSet<String>();
    private final List<String> groovyImplicitImportPackages = new ArrayList<String>();

    }

    @Test
    @DisplayName("should handle null terminal gracefully")
    void shouldHandleNullTerminal() {
        // Should fall back to system default charset
        for (ConsoleIcon icon : ConsoleIcon.values()) {
            String result = icon.getIcon(null);
            assertNotNull(result, "Icon result should not be null for " + icon);

        // The old broken implementation would have done:
        // var plugin = getBuild().getDelegate().getPluginsAsMap().get(pluginKey);
        // return plugin != null ? new Plugin(plugin) : null;
        // This would create a disconnected Plugin that doesn't persist changes.

        // The new fixed implementation does:
        // Find the plugin in the connected plugins list

import org.codehaus.plexus.util.xml.XmlStreamReader;
import org.codehaus.plexus.util.xml.pull.EntityReplacementMap;
import org.codehaus.plexus.util.xml.pull.MXParser;
import org.codehaus.plexus.util.xml.pull.XmlPullParser;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;

/**
 * Class CoreExtensionsXpp3Reader.
 *

#!/bin/bash
set -e

# Script to update Gradle wrapper and create a pull request
# 
# Usage:
#   ./update_wrapper_and_create_pr.sh [wrapper_version]
#
# Arguments:
#   wrapper_version - The Gradle version to update the wrapper to
# 
# Environment variables:
#   DEFAULT_BRANCH  - The default branch to create the pull request on (e.g. "master"/"release")
#   GITHUB_TOKEN    - GitHub bot token

import org.apache.maven.api.xml.XmlNode;
import org.apache.maven.internal.xml.XmlNodeBuilder;
import org.codehaus.plexus.util.xml.Xpp3Dom;
import org.codehaus.plexus.util.xml.pull.MXParser;
import org.codehaus.plexus.util.xml.pull.XmlPullParser;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
import org.eclipse.sisu.Priority;
import org.eclipse.sisu.bean.BeanProperties;
import org.eclipse.sisu.bean.BeanProperty;

import org.apache.maven.toolchain.v4.MavenToolchainsStaxReader;
import org.codehaus.plexus.util.xml.XmlStreamReader;
import org.codehaus.plexus.util.xml.pull.XmlPullParser;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;

/**
 *
 * @deprecated use MavenToolchainsStaxReader.
 */
@Deprecated(since = "4.0.0")
public class MavenToolchainsXpp3Reader {

  private <T extends Iterator<E>> void internalExecuteAndCompare(
      T reference, T target, IteratorOperation method) {
    Object referenceReturnValue = null;
    PermittedMetaException referenceException = null;
    Object targetReturnValue = null;
    Exception targetException = null;

    try {
      targetReturnValue = method.execute(target);
    } catch (Exception e) { // sneaky checked exception
      targetException = e;

     *
     * @param model The model to validate, must not be {@code null}.
     * @param request The model building request that holds further settings, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */
    void validateRawModel(Model model, ModelBuildingRequest request, ModelProblemCollector problems);

<div class="screenshot">
<img src="/img/tutorial/separate-openapi-schemas/image02.png">
</div>

Das bedeutet, dass es **immer einen Wert** hat, der Wert kann jedoch manchmal `None` sein (oder `null` in JSON).