import static org.apache.maven.cling.invoker.CliUtils.stripLeadingAndTrailingQuotes;
import static org.apache.maven.cling.invoker.CliUtils.toMap;

public abstract class BaseParser implements Parser {

    @SuppressWarnings("VisibilityModifier")
    public static class LocalContext {
        public final ParserRequest parserRequest;
        public final Map<String, String> systemPropertiesOverrides;

        // overload taking OpenOptions, meaning we can't guarantee the same behavior w.r.t. things
        // like following/not following symlinks.)
        return new AsCharSource(charset) {
          @SuppressWarnings("FilesLinesLeak") // the user needs to close it in this case
          @Override
          public Stream<String> lines() throws IOException {
            return Files.lines(path, charset);
          }
        };

    MediaType mediaType = MediaType.parse("text/plain");
    assertThrows(
        IllegalArgumentException.class, () -> mediaType.withParameters("a", ImmutableSet.of("…")));
  }

  @SuppressWarnings("nullness") // test of a bogus call
  public void testWithParametersIterable_nullValue() {
    MediaType mediaType = MediaType.parse("text/plain");
    assertThrows(
        NullPointerException.class,

    @Override
    public E next() {
      if (cursor >= array.length) throw new NoSuchElementException();
      lastRet = cursor;

      // array comes from q.toArray() and so should have only E's in it
      @SuppressWarnings("unchecked")
      E e = (E) array[cursor++];
      return e;
    }

    @Override
    public void remove() {
      if (lastRet < 0) throw new IllegalStateException();
      Object x = array[lastRet];

    INSTANCE;

    @Override
    public int compare(boolean[] left, boolean[] right) {
      // do not static import Math.min due to https://bugs.openjdk.org/browse/JDK-8357219
      @SuppressWarnings("StaticImportPreferred")
      int minLength = Math.min(left.length, right.length);
      for (int i = 0; i < minLength; i++) {
        int result = Boolean.compare(left[i], right[i]);
        if (result != 0) {

    // quite expensive (quadratic in the size of PSEUDORANDOM_DATASET).
    double[] dataset = Doubles.toArray(PSEUDORANDOM_DATASET);
    @SuppressWarnings("unused")
    double actual = percentiles().index(33).computeInPlace(dataset);
    assertThat(dataset).usingExactEquality().containsExactlyElementsIn(PSEUDORANDOM_DATASET);
  }

    // quite expensive (quadratic in the size of PSEUDORANDOM_DATASET).
    double[] dataset = Doubles.toArray(PSEUDORANDOM_DATASET);
    @SuppressWarnings("unused")
    double actual = percentiles().index(33).computeInPlace(dataset);
    assertThat(dataset).usingExactEquality().containsExactlyElementsIn(PSEUDORANDOM_DATASET);
  }

   */
  protected Map<K, V> makeEitherMap() {
    try {
      return makePopulatedMap();
    } catch (UnsupportedOperationException e) {
      return makeEmptyMap();
    }
  }

  @SuppressWarnings("CatchingUnchecked") // sneaky checked exception
  protected final boolean supportsValuesHashCode(Map<K, V> map) {
    // get the first non-null value
    Collection<V> values = map.values();
    for (V value : values) {

    ImmutableSet<N> validated = validate(startNodes);
    return () -> newTraversal().postOrder(validated.iterator());
  }

  abstract Traversal<N> newTraversal();

  @SuppressWarnings("CheckReturnValue")
  private ImmutableSet<N> validate(Iterable<? extends N> startNodes) {
    ImmutableSet<N> copy = ImmutableSet.copyOf(startNodes);
    for (N node : copy) {

    static final String UNSAFE_COMPARATOR_NAME =
        LexicographicalComparatorHolder.class.getName() + "$UnsafeComparator";

    static final Comparator<byte[]> BEST_COMPARATOR = getBestComparator();

    @SuppressWarnings({
      // b/345822163
      "SunApi",
      "deprecation",
      // The `deprecation` suppression is for Unsafe APIs that aren't deprecated under some versions
      "UnnecessaryJavacSuppressWarnings"
    })