import org.apache.tools.ant.Project;
import org.apache.tools.ant.ProjectHelper;
import org.apache.tools.ant.Task;
import org.gradle.api.internal.project.ant.AntLoggingAdapter;

public class AntUtil {
    /**
     * @return Factory method to create new Project instances
     */
    public static Project createProject() {
        final Project project = new Project();

import org.gradle.api.file.FileCollection;
import org.gradle.api.tasks.AntBuilderAware;
import org.gradle.internal.metaobject.BeanDynamicObject;
import org.gradle.internal.metaobject.DynamicObject;
import org.gradle.util.internal.AntUtil;

import java.io.File;
import java.util.Collections;

public class AntFileCollectionBuilder implements AntBuilderAware {

    private final FileCollection files;

import org.gradle.api.file.DirectoryTree;
import org.gradle.api.tasks.AntBuilderAware;
import org.gradle.internal.metaobject.BeanDynamicObject;
import org.gradle.internal.metaobject.DynamicObject;
import org.gradle.util.internal.AntUtil;

import java.util.Collections;

public class AntFileSetBuilder implements AntBuilderAware {

    private final Iterable<DirectoryTree> trees;

    public AntFileSetBuilder(Iterable<DirectoryTree> trees) {

package org.gradle.api.tasks.util.internal;

import groovy.lang.Closure;
import groovy.lang.GroovyObject;
import org.gradle.api.Action;
import org.gradle.api.tasks.AntBuilderAware;
import org.gradle.util.internal.AntUtil;

import java.util.HashMap;
import java.util.Map;
import java.util.Set;

/**
 * Externalised from PatternSet to isolate the Groovy usage.
 */

import org.gradle.internal.jvm.Jvm
import org.gradle.test.fixtures.file.TestFile
import org.gradle.test.precondition.Requires
import org.gradle.test.preconditions.UnitTestPreconditions
import org.gradle.util.internal.AntUtil
import org.gradle.util.internal.ToBeImplemented

import static org.gradle.integtests.fixtures.RepoScriptBlockUtil.gradlePluginRepositoryMirrorUrl

import org.gradle.internal.os.OperatingSystem;
import org.gradle.jvm.application.scripts.JavaAppStartScriptGenerationDetails;
import org.gradle.jvm.application.scripts.ScriptGenerator;
import org.gradle.util.internal.AntUtil;
import org.gradle.util.internal.CollectionUtils;

import java.io.BufferedWriter;
import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;

- `RedirectStdIn`
- `MultithreadedTestRule`
- `DisconnectableInputStream`
- `BulkReadInputStream`
- `MockExecutor`
- `FailsWithMessage`
- `FailsWithMessageExtension`
- `TreeVisitor`
- `AntUtil`
- `JarUtil`

===== The last set of classes have no external or internal usages and therefore were deleted:

- `DiffUtil`
- `NoopChangeListener`
- `EnumWithClassBody`
- `AlwaysTrue`

Class <org.gradle.util.internal.AlwaysTrue> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (AlwaysTrue.java:0)
Class <org.gradle.util.internal.AntUtil> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (AntUtil.java:0)
Class <org.gradle.util.internal.ArgumentsSplitter> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (ArgumentsSplitter.java:0)