assertFalse(
        "removeAll(emptyCollection) should return false",
        collection.removeAll(MinimalCollection.of()));
    expectUnchanged();
  }

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testRemoveAll_nonePresent() {
    assertFalse(
        "removeAll(disjointCollection) should return false",
        collection.removeAll(MinimalCollection.of(e3())));
    expectUnchanged();

                return s.equals("x") || s.equals("y") || s.equals("z");
              }
            }));
    assertEquals(newArrayList("a", "c", "e"), list);
  }

  // The Maps returned by Maps.filterEntries(), Maps.filterKeys(), and
  // Maps.filterValues() are not tested with removeIf() since Maps are not
  // Iterable.  Those returned by Iterators.filter() and Iterables.filter()

 *
 * <ul>
 *   <li>methods whose return type is a type variable but which can never return {@code null},
 *       typically because the type forbids nullable type arguments: For example, {@code
 *       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)

 *
 * <ul>
 *   <li>methods whose return type is a type variable but which can never return {@code null},
 *       typically because the type forbids nullable type arguments: For example, {@code
 *       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)

 *
 * <ul>
 *   <li>methods whose return type is a type variable but which can never return {@code null},
 *       typically because the type forbids nullable type arguments: For example, {@code
 *       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)

 *
 * <ul>
 *   <li>methods whose return type is a type variable but which can never return {@code null},
 *       typically because the type forbids nullable type arguments: For example, {@code
 *       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)

            enc = block;
        }
        return dk;
    }

    /**
     * Performs n-fold expansion of data as specified in RFC 3961.
     * This operation is used in Kerberos key derivation to expand or compress
     * input data to a specific output length.
     *
     * @param data the input data to expand
     * @param outlen the desired output length in bytes
     * @return the n-folded data of the specified length

        return "https://golang.org/cl/" + t;
    }

    var match = commitRE.exec(t);
    if (match) {
        return "https://golang.org/change/" + match[1];
    }

    if (pkgRE.test(t)) {
        // TODO: make this smarter, using a list of packages + substring matches.
        // Get the list from godoc itself in JSON format?
        return "https://golang.org/pkg/" + t;
    }

    return null;

  public String[] createArray(int length) {
    return new String[length];
  }

  /** Returns the original element list, unchanged. */
  @Override
  public List<String> order(List<String> insertionOrder) {
    return insertionOrder;
  }

     * Decodes MIME-encoded text.
     *
     * @param value the encoded text to decode
     * @return the decoded text or empty string if decoding fails
     */
    protected String getDecodeText(final String value) {
        if (value == null) {
            return StringUtil.EMPTY;
        }
        try {
            return MimeUtility.decodeText(value);
        } catch (final UnsupportedEncodingException e) {