*
   * <p>A collection is considered immutable if:
   *
   * <ol>
   *   <li>All its mutation methods result in UnsupportedOperationException, and do not change the
   *       underlying contents.
   *   <li>All methods that return objects that can indirectly mutate the collection throw
   *       UnsupportedOperationException when those mutators are called.
   * </ol>
   *

import java.util.stream.Collector;
import java.util.stream.Collectors;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A {@link Map} whose contents will never change, with many other important properties detailed at
 * {@link ImmutableCollection}.
 *
 * <p>See the Guava User Guide article on <a href=

        return null;
      }
      copy(resourceUrl, file);
    }

    return file;
  }

  /**
   * Creates a new temp dir for testing. The returned directory and all contents of it will be
   * deleted in the tear-down for this test.
   */
  protected final File createTempDir() throws IOException {
    File tempFile = File.createTempFile("IoTestCase", "");

import java.util.stream.Collector;
import java.util.stream.Collectors;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A {@link NavigableMap} whose contents will never change, with many other important properties
 * detailed at {@link ImmutableCollection}.
 *
 * <p><b>Warning:</b> as with any sorted collection, you are strongly advised not to use a {@link

    }

    private void addTOC(Document document) {
        Element tocSection = document.body().select("section.topic").first().before("<section class='table-of-contents'/>").previousElementSibling();
        tocSection.append("<h2>Table Of Contents</h2>");
        Element toc = tocSection.append("<ul class='toc'/>").children().last();

        Elements h23elements = document.select("h2,h3");

        value.visitContents(child -> child.visitStructure(new FileCollectionStructureVisitor() {
            @Override
            public void visitCollection(Source source, Iterable<File> contents) {
                ImmutableSet<File> files = ImmutableSet.copyOf(contents);
                if (!files.isEmpty()) {
                    builder.add(new FileCollectionAdapter(new ListBackedFileSet(files), taskDependencyFactory, patternSetFactory));

   * the set is the same as the ordering of the given contents.
   */
  private static <E> void verifyLinkedHashSetContents(
      LinkedHashSet<E> set, Collection<E> contents) {
    assertEquals(
        "LinkedHashSet should have preserved order for iteration",
        new ArrayList<E>(set),
        new ArrayList<E>(contents));
    verifySetContents(set, contents);
  }

  /**

                @Override
                public void visitCollection(FileCollectionInternal.Source source, Iterable<File> contents) {
                    contents.forEach(location -> taskInputs.add(location.getAbsolutePath()));
                }

                @Override

    /**
     * <p>Returns a directory which this task can use to write temporary files to. Each task instance is provided with a
     * separate temporary directory. There are no guarantees that the contents of this directory will be kept beyond the
     * execution of the task.</p>
     *
     * @return The directory. Never returns null. The directory will already exist.
     */
    @Internal

     *
     * @return the display name
     */
    String getDisplayName();

    /**
     * Appends diagnostic information about the contents of this collection to the given formatter.
     */
    TreeFormatter describeContents(TreeFormatter formatter);

    /**