import org.gradle.internal.reflect.validation.TypeValidationProblemRenderer;

import java.util.List;
import java.util.Set;

import static com.google.common.collect.ImmutableSet.toImmutableSet;
import static org.gradle.internal.deprecation.DeprecationMessageBuilder.withDocumentation;
import static org.gradle.internal.reflect.validation.TypeValidationProblemRenderer.convertToSingleLine;

public abstract class ImmutableSet<E> extends ImmutableCollection<E> implements Set<E> {
  ImmutableSet() {}

  public static <E> Collector<E, ?, ImmutableSet<E>> toImmutableSet() {
    return CollectCollectors.toImmutableSet();
  }

  // Casting to any type is safe because the set will never hold any elements.
  @SuppressWarnings({"unchecked"})
  public static <E> ImmutableSet<E> of() {

import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Set;

import static com.google.common.collect.ImmutableList.toImmutableList;
import static com.google.common.collect.ImmutableSet.toImmutableSet;
import static java.util.function.Function.identity;
import static java.util.stream.Collectors.groupingBy;
import static java.util.stream.Collectors.mapping;
import static org.gradle.api.problems.Severity.ERROR;

    return (Collector) TO_IMMUTABLE_LIST;
  }

  // Sets

  @SuppressWarnings({"rawtypes", "unchecked"})
  static <E> Collector<E, ?, ImmutableSet<E>> toImmutableSet() {
    return (Collector) TO_IMMUTABLE_SET;
  }

  static <E> Collector<E, ?, ImmutableSortedSet<E>> toImmutableSortedSet(
      Comparator<? super E> comparator) {
    checkNotNull(comparator);

    return (Collector) TO_IMMUTABLE_LIST;
  }

  // Sets

  @SuppressWarnings({"rawtypes", "unchecked"})
  static <E> Collector<E, ?, ImmutableSet<E>> toImmutableSet() {
    return (Collector) TO_IMMUTABLE_SET;
  }

  static <E> Collector<E, ?, ImmutableSortedSet<E>> toImmutableSortedSet(
      Comparator<? super E> comparator) {
    checkNotNull(comparator);

        ImmutableSet<File> oldProbedHierarchies = probedHierarchies;
        probedHierarchies = watchableHierarchies.stream()
            .filter(watchedFiles::contains)
            .collect(ImmutableSet.toImmutableSet());
        if (oldProbedHierarchies.equals(probedHierarchies)) {
            return;
        }

        oldProbedHierarchies.stream()

  @SuppressWarnings({"AndroidJdkLibsChecker", "Java7ApiChecker"})
  @IgnoreJRERequirement // Users will use this only if they're already using streams.
  public static <E> Collector<E, ?, ImmutableSet<E>> toImmutableSet() {
    return CollectCollectors.toImmutableSet();
  }

  /**
   * Returns the empty immutable set. Preferred over {@link Collections#emptySet} for code
   * consistency, and because the return type conveys the immutability guarantee.
   *

   * duplicate in encounter order will appear in the result.
   *
   * @since 21.0
   */
  public static <E> Collector<E, ?, ImmutableSet<E>> toImmutableSet() {
    return CollectCollectors.toImmutableSet();
  }

  /**
   * Returns the empty immutable set. Preferred over {@link Collections#emptySet} for code
   * consistency, and because the return type conveys the immutability guarantee.
   *

    return new SerializedForm<E>(comparator, toArray());
  }

  /**
   * Not supported. Use {@link #toImmutableSortedSet} instead. This method exists only to hide
   * {@link ImmutableSet#toImmutableSet} from consumers of {@code ImmutableSortedSet}.
   *
   * @throws UnsupportedOperationException always
   * @deprecated Use {@link ImmutableSortedSet#toImmutableSortedSet}.

            ImmutableSet<String> matchedClasses = referencedTypes.stream()
                .filter(it -> !types.test(it))
                .map(JavaClass::getName)
                .collect(ImmutableSet.toImmutableSet());
            boolean fulfilled = matchedClasses.isEmpty();
            String message = fulfilled
                ? String.format("%s has only arguments/return type that are %s in %s",