*
   * <p>Some algorithms that operate on a {@code PredecessorsFunction} may produce undesired results
   * if the returned {@link Iterable} contains duplicate elements. Implementations of such
   * algorithms should document their behavior in the presence of duplicates.
   *
   * <p>The elements of the returned {@code Iterable} must each be:
   *
   * <ul>
   *   <li>Non-null

   *
   * <p>Some algorithms that operate on a {@code SuccessorsFunction} may produce undesired results
   * if the returned {@link Iterable} contains duplicate elements. Implementations of such
   * algorithms should document their behavior in the presence of duplicates.
   *
   * <p>The elements of the returned {@code Iterable} must each be:
   *
   * <ul>
   *   <li>Non-null

    /**
     * @throws Exception
     */
    @Test
    public void testForEach() throws Exception {
        final StringReader reader = new StringReader("aaa\nbbb\nccc\n");
        for (final String line : LineIterator.iterable(reader)) {
            System.out.println(line);
        }
    }

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.lang;

import static org.codelibs.core.lang.ClassLoaderIterator.iterable;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotEmpty;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.io.IOException;
import java.net.URL;

import org.jspecify.annotations.Nullable;

/**
 * An {@code Iterable} whose elements are sorted relative to a {@code Comparator}, typically
 * provided at creation time.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
interface SortedIterable<T extends @Nullable Object> extends Iterable<T> {
  /**
   * Returns the {@code Comparator} by which the elements of this iterable are ordered, or {@code

import org.jspecify.annotations.Nullable;

/**
 * An {@code Iterable} whose elements are sorted relative to a {@code Comparator}, typically
 * provided at creation time.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
interface SortedIterable<T extends @Nullable Object> extends Iterable<T> {
  /**
   * Returns the {@code Comparator} by which the elements of this iterable are ordered, or {@code

  }

  /**
   * This Iterator claims to have more elements than the underlying iterable, but when you try to
   * fetch the extra elements, it throws an unchecked exception.
   */
  static class ThrowsAtEndIterator<E> implements Iterator<E> {
    Iterator<E> iterator;

    public ThrowsAtEndIterator(Iterable<E> iterable) {
      this.iterator = iterable.iterator();
    }

    @Override
    public boolean hasNext() {

    return new ArrayDeque<>();
  }

  /**
   * Creates an {@code ArrayDeque} containing the elements of the specified iterable, in the order
   * they are returned by the iterable's iterator.
   *
   * @since 12.0
   */
  public static <E> ArrayDeque<E> newArrayDeque(Iterable<? extends E> elements) {
    if (elements instanceof Collection) {
      return new ArrayDeque<>((Collection<? extends E>) elements);
    }

    CountingIterable iterable = new CountingIterable();
    List<String> list = ImmutableList.copyOf(iterable);
    assertEquals(asList("a", "b", "a"), list);
  }

  public void testCopyOf_plainIterable_iteratesOnce() {
    CountingIterable iterable = new CountingIterable();
    ImmutableList<String> unused = ImmutableList.copyOf(iterable);
    assertEquals(1, iterable.count);
  }

    private val toolchainInstallationPaths = test.project.toolchainInstallationPaths

    @Internal
    override fun getName() = "ciEnvironment"

    override fun asArguments(): Iterable<String> {
        return if (BuildEnvironment.isCiServer) {
            getRepoMirrorSystemProperties() +
                getToolchainInstallationPathsProperty() +
                mapOf(