int size = 0;
      for (int i = 0; i < length; i++) {
        if (counts[i] > 0) {
          elements[size] = elements[i];
          counts[size] = counts[i];
          size++;
        }
      }
      Arrays.fill(elements, size, length, null);
      Arrays.fill(counts, size, length, 0);
      length = size;
    }

    /**

    private static String toMessage(List<Problem> problems) {
        StringWriter buffer = new StringWriter(1024);

        PrintWriter writer = new PrintWriter(buffer);

        writer.print(problems.size());
        writer.print((problems.size() == 1) ? " problem was " : " problems were ");
        writer.print("encountered while building the effective toolchains");
        writer.println();

        for (Problem problem : problems) {

            list.add(new MethodDescImpl(this, method));
        }
        for (int i = 0; i < methodDescListMap.size(); ++i) {
            final List<MethodDesc> methodDescList = methodDescListMap.getAt(i);
            methodDescsCache.put(methodDescListMap.getKeyAt(i), methodDescList.toArray(new MethodDesc[methodDescList.size()]));
        }
    }

    /**
     * フィールドを準備します。
     */
    protected void setupFieldDescs() {

        assertEquals(active, activator.isActive(new org.apache.maven.model.Profile(profile), context, problems));

        assertEquals(0, problems.getErrors().size(), problems.getErrors().toString());
        assertEquals(0, problems.getWarnings().size(), problems.getWarnings().toString());
    }

    throw new UnsupportedOperationException();
  }

  @Override
  public int size() {
    if (graph.isDirected()) {
      return graph.inDegree(node)
          + graph.outDegree(node)
          - (graph.successors(node).contains(node) ? 1 : 0);
    } else {
      return graph.adjacentNodes(node).size();
    }
  }

  @Override
  public boolean contains(@CheckForNull Object obj) {

    }

    @Override
    public int hashCode() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.hashCode();
    }

    @Override
    public int size() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.size();
    }

    @Override
    public boolean isEmpty() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.isEmpty();
    }

    @Override

        return buildSuccessesByProject.get(getProjectKey(project));
    }

    public boolean executedMultipleProjects() {
        return buildFailuresByProject.size() + buildSuccessesByProject.size() > 1;
    }

    assertNull(map.getInstance(int.class));
    assertNull(map.getInstance(Integer.class));

    assertNull(map.putInstance(int.class, 0));
    assertNull(map.putInstance(Integer.class, 1));
    assertEquals(2, map.size());

    assertEquals(0, (int) map.getInstance(int.class));
    assertEquals(1, (int) map.getInstance(Integer.class));

    assertEquals(0, (int) map.putInstance(int.class, null));

        final List<AnalyzeToken> readingTokens = analyzer.analyzeAndReading(text, "", null);

        int matchCount = 0;
        for (int i = 0; i < tokens.size(); i++) {
            final String term = tokens.get(i).getTerm();
            final String reading = readingTokens.get(i).getTerm();
            switch (term) {
            case "fess":
                matchCount++;

	o = msgp.Require(b, z.Msgsize())
	// map header, size 5
	// string "APIVersion"
	o = append(o, 0x85, 0xaa, 0x41, 0x50, 0x49, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e)
	o = msgp.AppendString(o, z.APIVersion)
	// string "Flags"
	o = append(o, 0xa5, 0x46, 0x6c, 0x61, 0x67, 0x73)
	// map header, size 3
	// string "Filter"
	o = append(o, 0x83, 0xa6, 0x46, 0x69, 0x6c, 0x74, 0x65, 0x72)