*            {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     * @return The profiles that have been activated, never {@code null}.
     */
    List<Profile> getActiveProfiles(
            Collection<Profile> profiles, ProfileActivationContext context, ModelProblemCollector problems);

      checkArgument(lowerBounds.length <= 1, "Wildcard cannot have more than one lower bounds.");
      if (lowerBounds.length == 1) {
        return supertypeOf(newArrayType(lowerBounds[0]));
      } else {
        Type[] upperBounds = wildcard.getUpperBounds();
        checkArgument(upperBounds.length == 1, "Wildcard should have only one upper bound.");
        return subtypeOf(newArrayType(upperBounds[0]));
      }

    Method[] methods = getMostConcreteMethods(interfaceType);
    AccessibleObject.setAccessible(methods, true);
    for (Method method : methods) {
      // Under java 8, interfaces can have default methods that aren't abstract.
      // No need to verify them.
      // Can't check isDefault() for JDK 7 compatibility.
      if (!Modifier.isAbstract(method.getModifiers())) {
        continue;
      }

  }

  private synchronized InputStream openInputStream() throws IOException {
    if (file != null) {
      return new FileInputStream(file);
    } else {
      // requireNonNull is safe because we always have either `file` or `memory`.
      requireNonNull(memory);
      return new ByteArrayInputStream(memory.getBuffer(), 0, memory.getCount());
    }
  }

  /**

    Method[] methods = getMostConcreteMethods(interfaceType);
    AccessibleObject.setAccessible(methods, true);
    for (Method method : methods) {
      // Under java 8, interfaces can have default methods that aren't abstract.
      // No need to verify them.
      // Can't check isDefault() for JDK 7 compatibility.
      if (!Modifier.isAbstract(method.getModifiers())) {
        continue;
      }

import org.apache.maven.api.model.InputLocation;

/**
 * Collects problems that are encountered during model building. The primary purpose of this component is to account for
 * the fact that the problem reporter has/should not have information about the calling context and hence cannot provide
 * an expressive source hint for the model problem. Instead, the source hint is configured by the model builder before

    assertTrue(Files.exists(grandparent));
  }

  public void testCreateParentDirectories_noPermission() {
    if (isWindows()) {
      return; // TODO: b/136041958 - Create/find a directory that we don't have permissions on?
    }
    Path file = root().resolve("parent/nonexistent.file");
    Path parent = file.getParent();
    assertFalse(Files.exists(parent));

 * add(x)} operations <i>do not</i> create objects for the garbage collector to deal with, and for
 * every element added, the garbage collector will have to traverse {@code 1.5} references on
 * average, in the marking phase, not {@code 5.0} as in {@code java.util.HashSet}.
 *
 * <p>If there are no removals, then {@link #iterator iteration} order is the same as insertion

  /**
   * Having a public suffix is equivalent to having a registry suffix, because all registry suffixes
   * are public suffixes, and all public suffixes have registry suffixes.
   */
  private static final ImmutableSet<String> NO_RS = NO_PS;

  private static final ImmutableSet<String> NON_PS =
      ImmutableSet.of(
          "foo.bar.com",
          "foo.ca",

 * {@link #TEST_COMPILE} and {@link #TEST_RUNTIME}, but can be extended by registering a
 * {@code org.apache.maven.api.spi.PathScopeProvider}.
 * <p>
 * Implementation must have {@code equals()} and {@code hashCode()} implemented, so implementations of this interface
 * can be used as keys.
 *
 * @since 4.0.0
 * @see org.apache.maven.api.services.DependencyResolver
 * @see DependencyScope
 */