public int getCount() {
            Count count = mapEntry.getValue();
            if (count == null || count.get() == 0) {
              Count frequency = backingMap.get(getElement());
              if (frequency != null) {
                return frequency.get();
              }
            }
            return (count == null) ? 0 : count.get();
          }
        };
      }

      @Override

    }

    @Override
    @CheckForNull
    public K get(@CheckForNull Object value) {
      if (value == null || valueTable == null) {
        return null;
      }
      int bucket = Hashing.smear(value.hashCode()) & mask;
      for (ImmutableMapEntry<K, V> entry = valueTable[bucket];
          entry != null;
          entry = entry.getNextInValueBucket()) {
        if (value.equals(entry.getValue())) {

    @Before
    public void setUp() throws Exception {
        map = new ArrayMap<String, String>();
        map.put(null, null);
        map.put("1", "test");
        map.put("2", "test2");
    }

    /**
     * @throws Exception
     */
    @After
    public void tearDown() throws Exception {
        map = null;
    }

    /**
     * @throws Exception
     */
    @Test

        final Class<?> rowClass = getActualClass(type, map);
        if (rowClass == null) {
            return null;
        }
        final ParameterizedClassDescImpl desc = new ParameterizedClassDescImpl(rowClass);
        final Type[] parameterTypes = getGenericParameters(type);
        if (parameterTypes == null) {
            return desc;
        }

    Cell[] as;
    long b, v;
    int[] hc;
    Cell a;
    int n;
    if ((as = cells) != null || !casBase(b = base, b + x)) {
      boolean uncontended = true;
      if ((hc = threadHashCode.get()) == null
          || as == null
          || (n = as.length) < 1
          || (a = as[(n - 1) & hc[0]]) == null
          || !(uncontended = a.cas(v = a.value, v + x))) retryUpdate(x, hc, uncontended);
    }
  }

        assertEquals("java", depArtifact.getProperty("language", null));
        assertEquals("jar", depArtifact.getProperty("type", null));
        assertEquals("true", depArtifact.getProperty("constitutesBuildPath", null));
        assertEquals("false", depArtifact.getProperty("includesDependencies", null));
        assertEquals(4, depArtifact.getProperties().size());

        if ( tf.getConfig().isDfsDisabled() || tf.getCredentials().getUserDomain() == null || tf.getCredentials().getUserDomain().isEmpty() ) {
            return null;
        }

        if ( this._domains != null && System.currentTimeMillis() > this._domains.expiration ) {
            this._domains = null;
        }
        if ( this._domains != null )
            return this._domains.map;
        try {

        if (createdBy != null) {
            addFieldToSource(sourceMap, "createdBy", createdBy);
        }
        if (createdTime != null) {
            addFieldToSource(sourceMap, "createdTime", createdTime);
        }
        if (duplicateHostName != null) {
            addFieldToSource(sourceMap, "duplicateHostName", duplicateHostName);
        }
        if (regularName != null) {

    // Populate the results list with null initially.
    for (int i = 0; i < futures.size(); ++i) {
      values.add(null);
    }

    this.values = values;
  }

  @Override
  final void collectOneValue(int index, @ParametricNullness V returnValue) {
    @RetainedLocalRef List<@Nullable Present<V>> localValues = values;
    if (localValues != null) {
      localValues.set(index, new Present<>(returnValue));

    }

    public Directive getDirective(final String userAgent) {
        if (userAgent == null) {
            return null;
        }
        for (final Directive directive : directiveMap.values()) {
            if (userAgent.equals(directive.getUserAgent())) {
                return directive;
            }
        }
        return null;
    }

    public void addDirective(final Directive directive) {