// Test that full-width characters are converted to half-width
        List<String> results = converter.convert("アイウ", null);
        for (String result : results) {
            assertFalse(result.contains("Ａ")); // Full-width A
            assertFalse(result.contains("ａ")); // Full-width a
        }
    }

            if (lifecycleConfiguration != null) {
                phaseToGoalMapping = lifecycleConfiguration.getLifecyclePhases();
            } else if (lifecycle.getDefaultLifecyclePhases() != null) {
                phaseToGoalMapping = lifecycle.getDefaultLifecyclePhases();
            }

            if (phaseToGoalMapping != null) {

            null, false, false, false, "keyword", 0, 0, null, null, false, null, null, null, null, null, false);
    protected final ColumnInfo _columnCreatedTime = cci("createdTime", "createdTime", null, null, Long.class, "createdTime", null, false,
            false, false, "Long", 0, 0, null, null, false, null, null, null, null, null, false);

import java.util.Iterator;

import org.apache.maven.cli.internal.extension.model.CoreExtension;
import org.apache.maven.cli.internal.extension.model.CoreExtensions;
import org.codehaus.plexus.util.xml.pull.MXSerializer;
import org.codehaus.plexus.util.xml.pull.XmlSerializer;

/**
 * Class CoreExtensionsXpp3Writer.
 *
 * @deprecated use {@code org.apache.maven.cling.internal.extension.io.CoreExtensionsStaxWriter}
 */
@Deprecated

        Editor editor = new Editor(pomDocument);
        Element root = editor.root();
        if (root == null) {
            return MODEL_VERSION_4_0_0;
        }

        // First try to get from modelVersion element
        Element modelVersionElement = root.child(MODEL_VERSION).orElse(null);
        if (modelVersionElement != null) {
            String modelVersion = modelVersionElement.textContentTrimmed();

            return this.cachedSubject;
        } catch (LoginException e) {
            log.error("Failed to create login context", e);
            // Cache null to ensure consistent behavior across calls
            this.cachedSubject = null;
            return null;
        }
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.smb.SmbRenewableCredentials#renew()
     */
    @Override

            PluginInfo pluginInfo = extractPluginInfo(artifact);
            if (pluginInfo != null) {
                String key = pluginInfo.groupId;
                if (processedPlugins.get(key) == null) {
                    PluginsMetadata pluginMetadata = plugins.get(key);
                    if (pluginMetadata == null) {
                        pluginMetadata = new PluginsMetadata(pluginInfo, timestamp);

     */
    public static String toString(final Object obj) {
        return obj == null ? null : obj.toString();
    }

    /**
     * Returns the object, or the defaultValue if the object is <code>null</code>.
     * <p>
     * Usage example:
     * </p>
     *
     * <pre>
     * ObjectUtil.defaultValue(null, "NULL")  = "NULL"
     * ObjectUtil.defaultValue(null, 1)    = 1

            false, false, "LocalDateTime", 0, 0, null, null, false, null, null, null, null, null, false);
    protected final ColumnInfo _columnUpdatedAt = cci("updatedAt", "updatedAt", null, null, LocalDateTime.class, "updatedAt", null, false,
            false, false, "LocalDateTime", 0, 0, null, null, false, null, null, null, null, null, false);

    public ColumnInfo columnCreatedAt() {
        return _columnCreatedAt;
    }

                    val someVal: String? = null
                    var someVar: String? = null
                    fun foo(): String? = null
                }
            """
        ) {
            assertHasErrors(
                "Method com.example.Source.foo(): From non-null returning to null returning breaking change.",
                "Method com.example.Source.getSomeVal(): From non-null returning to null returning breaking change.",