* @throws NullPointerException if any element in the stream is {@code null}.
   * @return {@code Optional.of(onlyElement)} if the stream has exactly one element (must not be
   *     {@code null}) and returns {@code Optional.empty()} if it has none.
   */
  @SuppressWarnings("unchecked")
  public static <T> Collector<T, ?, Optional<T>> toOptional() {
    return (Collector) TO_OPTIONAL;

# use the wheel's TensorFlow installation instead of the one made available
# through bazel. This must be done in a different root directory, //bazel_pip/...,
# because "import tensorflow" run from the root directory would instead import
# the folder instead of the venv package.
# 
# Pass --config=pip to run the same suite of tests. If you want to run just one
# test for investigation, you'll need --config=pip_venv instead, and then you

./mc admin user add sitea foobar foo12345

./mc admin policy attach sitea/ consoleAdmin --user=foobar

./mc admin user info siteb foobar

killall -9 minio

echo "turning off root access, however site replication must continue"
export MINIO_API_ROOT_ACCESS=off

minio server --address 127.0.0.1:9001 "http://127.0.0.1:9001/tmp/multisitea/data/disterasure/xl{1...4}" \

        URL myResource = ExpressionDocumenter.class.getClassLoader().getResource(myResourcePath);

        assert myResource != null : "The resource is this class itself loaded by its own classloader and must exist";

        String myClasspathEntry = myResource.getPath();

        myClasspathEntry = myClasspathEntry.substring(0, myClasspathEntry.length() - (myResourcePath.length() + 2));

        Files.newOutputStream(outputPath).use { outputStream ->
            JarOutputStream(outputStream).use { jarStream ->
                sourceFiles.forEach { dir ->
                    check(Files.isDirectory(dir)) { "Must be a directory" }
                    Files.walkFileTree(dir, object : SimpleFileVisitor<Path>() {
                        override fun visitFile(file: Path, attrs: BasicFileAttributes): FileVisitResult {

public final class NetworkMutationTest {
  private static final int NUM_TRIALS = 5;
  private static final int NUM_NODES = 20;
  private static final int NUM_EDGES = 100;
  private static final int NODE_POOL_SIZE = 1000; // must be >> NUM_NODES

  @Test
  public void directedNetwork() {
    testNetworkMutation(NetworkBuilder.directed());
  }

  @Test
  public void undirectedNetwork() {

            assert isinstance(response, dict), "An additional response must be a dict"
            model = response.get("model")
            if model:
                assert is_body_allowed_for_status_code(
                    additional_status_code
                ), f"Status code {additional_status_code} must not have a response body"

 * explanation.
 *
 * @param <K> the most general key type this builder will be able to create caches for. This is
 *     normally {@code Object} unless it is constrained by using a method like {@code
 *     #removalListener}. Cache keys may not be null.
 * @param <V> the most general value type this builder will be able to create caches for. This is

    }
  }

  /**
   * Moves a file from one path to another. This method can rename a file and/or move it to a
   * different directory. In either case {@code to} must be the target path for the file itself; not
   * just the new name for the file or the path to the new parent directory.
   *
   * <p><b>{@link java.nio.file.Path} equivalent:</b> {@link java.nio.file.Files#move}.
   *
   * @param from the source file

 * {@link com.google.common.collect.testing.MapTestSuiteBuilder}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")
// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")