*/
public abstract class CompositeFileTree extends CompositeFileCollection implements FileTreeInternal {
    public CompositeFileTree(TaskDependencyFactory taskDependencyFactory, Factory<PatternSet> patternSetFactory) {
        super(taskDependencyFactory, patternSetFactory);
    }

    public CompositeFileTree(TaskDependencyFactory taskDependencyFactory) {
        super(taskDependencyFactory);

    private final FileTreeInternal source1 = Mock()
    private final FileTreeInternal source2 = Mock()
    private final Factory<PatternSet> patternSetFactory = Mock()
    private final CompositeFileTree tree = new CompositeFileTree(TestFiles.taskDependencyFactory(), patternSetFactory) {
        @Override
        String getDisplayName() {
            return "<display-name>"
        }

        @Override

import org.gradle.api.file.ConfigurableFileTree;
import org.gradle.api.file.FileTree;
import org.gradle.api.file.FileTreeElement;
import org.gradle.api.file.FileVisitor;
import org.gradle.api.internal.file.CompositeFileTree;
import org.gradle.api.internal.file.FileCollectionInternal;
import org.gradle.api.internal.tasks.DefaultTaskDependency;
import org.gradle.api.internal.tasks.TaskDependencyFactory;

import org.gradle.internal.Cast;

import java.util.Arrays;
import java.util.Collection;
import java.util.Set;
import java.util.function.Consumer;

public class UnionFileTree extends CompositeFileTree {
    private final Set<FileTreeInternal> sourceTrees;
    private final String displayName;

    public UnionFileTree(TaskDependencyFactory taskDependencyFactory, FileTreeInternal... sourceTrees) {

import org.gradle.api.tasks.util.PatternSet;
import org.gradle.internal.Factory;

import java.util.Collection;
import java.util.List;
import java.util.function.Consumer;

public class DefaultCompositeFileTree extends CompositeFileTree {
    private final Collection<? extends FileTreeInternal> fileTrees;

        expect:
        dependencies.getDependencies(task) as List == [dependency1]
        dependencies.getDependencies(task) as List == [dependency2]
    }

    private static abstract class TestTree extends CompositeFileTree {
        @Override
        String getDisplayName() {
            return "<display-name>"
        }

        @Override
        protected void visitChildren(Consumer<FileCollectionInternal> visitor) {

import org.gradle.internal.Factory;
import org.gradle.internal.logging.text.TreeFormatter;

import java.util.function.Consumer;
import java.util.function.Supplier;

public class FilteredFileTree extends CompositeFileTree implements FileCollectionInternal.Source {
    private final FileTreeInternal tree;
    private final Supplier<? extends PatternSet> patternSupplier;

import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.function.Consumer;
import java.util.function.Function;

public class DefaultSourceDirectorySet extends CompositeFileTree implements SourceDirectorySet {
    private final List<Object> source = new ArrayList<>();
    private final String name;
    private final String displayName;
    private final FileCollectionFactory fileCollectionFactory;