copyTo(Funnels.asOutputStream(hasher));
    return hasher.hash();
  }

  /**
   * Checks that the contents of this byte source are equal to the contents of the given byte
   * source.
   *
   * @throws IOException if an I/O error occurs while reading from this source or {@code other}
   */
  public boolean contentEquals(ByteSource other) throws IOException {
    checkNotNull(other);

  # Enable debug for the `gradle-build-action` cache operations
  GRADLE_BUILD_ACTION_CACHE_DEBUG_ENABLED: true

permissions: {}

jobs:
  build:
    name: "Compile All"
    permissions:
      contents: read
    runs-on: ubuntu-latest
    steps:
      - name: git clone
        uses: actions/checkout@v6
      - id: setup-matrix

@NullUnmarked
public final class Collections2FilterArrayListTest
    extends AbstractFilteredCollectionTest<Collection<Integer>> {
  @Override
  Collection<Integer> createUnfiltered(Iterable<Integer> contents) {
    return Lists.newArrayList(contents);
  }

  @Override
  Collection<Integer> filter(Collection<Integer> elements, Predicate<? super Integer> predicate) {
    return Collections2.filter(elements, predicate);
  }

 * serialize collections that are defined elsewhere.
 *
 * @author Jared Levy
 */
@GwtIncompatible
@J2ktIncompatible
final class Serialization {
  private Serialization() {}

  /**
   * Stores the contents of a map in an output stream, as part of serialization. It does not support
   * concurrent maps whose content may change while the method is running.
   *

name: CI

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

permissions:
  contents: read

jobs:
  test:
    permissions:
      actions: write  # for styfle/cancel-workflow-action to cancel/stop running workflows
      contents: read  # for actions/checkout to fetch code
    name: "${{ matrix.root-pom }} on JDK ${{ matrix.java }} on ${{ matrix.os }}"
    strategy:
      matrix:

  schedule: # Runs the action weekly on Monday at 3:42 UTC
    - cron: '42 3 * * 1'

permissions:
  contents: write
  pull-requests: write

jobs:
  update-jdks:
    if: github.repository == 'gradle/gradle'
    permissions:
      contents: write
      pull-requests: write
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

   *
   * <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>
   *

      |Content-Disposition: file; filename="file1.txt"
      |Content-Type: text/plain; charset=utf-8
      |
      |... contents of file1.txt ...
      |--BbC04y
      |Content-Disposition: file; filename="file2.gif"
      |Content-Transfer-Encoding: binary
      |Content-Type: image/gif
      |
      |... contents of file2.gif ...
      |--BbC04y--
      |
      |--AaB03x--
      |

/**
 * Base class for testers of classes (including {@link Collection} and {@link java.util.Map Map})
 * that contain elements.
 *
 * @param <C> the type of the container
 * @param <E> the type of the container's contents
 * @author George van den Driessche
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")

   * ImmutableSortedSet) creates an empty sortedDelegate, which, in a vacuum, sets this object's
   * contents to empty. By contrast, the non-GWT constructor with the same signature uses the
   * comparator only as a comparator. It does NOT assume empty contents. (It requires an
   * implementation of iterator() to define its contents, and methods like contains() are