assertTrue(multiset.isEmpty());
    assertEquals(0, multiset.size());
    assertEquals(0, multiset.toArray().length);
    assertTrue(multiset.entrySet().isEmpty());
    assertFalse(multiset.iterator().hasNext());
    assertEquals(0, multiset.entrySet().size());
    assertEquals(0, multiset.entrySet().toArray().length);
    assertFalse(multiset.entrySet().iterator().hasNext());
  }

   * @throws NullPointerException if {@code collection} or any of its elements is null
   */
  public static char[] toArray(Collection<Character> collection) {
    if (collection instanceof CharArrayAsList) {
      return ((CharArrayAsList) collection).toCharArray();
    }

    Object[] boxedArray = collection.toArray();
    int len = boxedArray.length;
    char[] array = new char[len];
    for (int i = 0; i < len; i++) {

   * @since 1.0 (parameter was {@code Collection<Short>} before 12.0)
   */
  public static short[] toArray(Collection<? extends Number> collection) {
    if (collection instanceof ShortArrayAsList) {
      return ((ShortArrayAsList) collection).toShortArray();
    }

    Object[] boxedArray = collection.toArray();
    int len = boxedArray.length;
    short[] array = new short[len];
    for (int i = 0; i < len; i++) {

   * @since 1.0 (parameter was {@code Collection<Short>} before 12.0)
   */
  public static short[] toArray(Collection<? extends Number> collection) {
    if (collection instanceof ShortArrayAsList) {
      return ((ShortArrayAsList) collection).toShortArray();
    }

    Object[] boxedArray = collection.toArray();
    int len = boxedArray.length;
    short[] array = new short[len];
    for (int i = 0; i < len; i++) {

                            e);
                }
                return null;
            }).filter(file -> file != null).toArray(n -> new DictionaryFile<?>[n]);
        } catch (final IOException e) {
            throw new DictionaryException("Failed to access dictionaries", e);
        }
    }

    /**

      }

      @Override
      public T remove(int index) {
        return data.remove(index);
      }

      @Override
      public @Nullable Object[] toArray() {
        return data.toArray();
      }
    };
  }

  /**
   * Returns a "nefarious" map entry with the specified key and value, meaning an entry that is

                    groupList.size(), roleList.size(), groupIdsForParentLookup.size());
        }

        // Set initial groups
        user.setGroups(groupList.stream().distinct().toArray(n -> new String[n]));
        user.setRoles(roleList.stream().distinct().toArray(n -> new String[n]));

        if (logger.isDebugEnabled()) {
            logger.debug("[updateMemberOf] Initial groups/roles set for user: {}. Groups: {}, Roles: {}", user.getName(),

                        names.add(en);
                        expandedNameOffset += en.length() * 2 + 2;
                    }
                    this.expandedNames = names.toArray(new String[names.size()]);
                }

            }
        } else if (this.version == 1) {
            this.node = readString(buffer, bufferIndex, len);
        }

        return this.size;

                }
                responseData.addMetaData(SMB_ALLOWED_SID_ENTRIES, sidAllowSet.toArray(new SID[sidAllowSet.size()]));
                responseData.addMetaData(SMB_DENIED_SID_ENTRIES, sidDenySet.toArray(new SID[sidDenySet.size()]));
            }
        } catch (final IOException e) {

    List<@Nullable Object> passedArgs = new ArrayList<>();
    for (Class<?> paramType : method.getParameterTypes()) {
      passedArgs.add(paramValues.generateFresh(paramType));
    }
    return passedArgs.toArray();
  }

  /** Tests a single interaction against a method. */
  private static final class InteractionTester<T> extends AbstractInvocationHandler {

    private final Class<T> interfaceType;