if (collection instanceof Set) {
      return Sets.filter((Set<E>) collection, predicate);
    } else {
      return Collections2.filter(collection, predicate);
    }
  }

  @Override
  public boolean containsKey(@Nullable Object key) {
    return asMap().get(key) != null;
  }

  @Override
  public Collection<V> removeAll(@Nullable Object key) {

    }

    // Test containsKey
    @Test
    public void test_containsKey() {
        assertFalse(dataStoreParams.containsKey("key1"));

        dataStoreParams.put("key1", "value1");
        assertTrue(dataStoreParams.containsKey("key1"));

        dataStoreParams.put("key2", null);
        assertTrue(dataStoreParams.containsKey("key2"));
    }

    // Test putAll
    @Test

    return delegate.keySet().spliterator();
  }

  @Override
  public int size() {
    return delegate.size();
  }

  @Override
  public boolean containsKey(@Nullable Object key) {
    return delegate.containsKey(key);
  }

  @Override
  public @Nullable V get(@Nullable Object key) {
    return delegate.get(key);
  }

  @Override
  public boolean equals(@Nullable Object object) {

      this.backingSortedMap = backingSortedMap;
    }

    @Override
    protected SortedMap<K, V> delegate() {
      return backingSortedMap;
    }

    @Override
    public boolean containsKey(Object key) {
      return standardContainsKey(key);
    }

    @Override
    public boolean containsValue(Object value) {
      return standardContainsValue(value);
    }

    @Override

    } else {
      assertNull(multimap().asMap().get(key));
    }

    assertEquals(values.size(), multimap().get(key).size());

    assertEquals(values.size() > 0, multimap().containsKey(key));
    assertEquals(values.size() > 0, multimap().keySet().contains(key));
    assertEquals(values.size() > 0, multimap().keys().contains(key));
  }

  protected final K k0() {
    return e0().getKey();

    }

    @Override
    public boolean isEmpty() {
        return parent.isEmpty();
    }

    @Override
    public boolean containsKey(final Object key) {
        if (parent.containsKey(key)) {
            return true;
        }
        return parent.containsKey(toCamelCase(key));
    }

    @Override
    public boolean containsValue(final Object value) {
        return parent.containsValue(value);
    }

    @Override
    @ParametricNullness
    public V apply(@ParametricNullness K key) {
      V result = map.get(key);
      checkArgument(result != null || map.containsKey(key), "Key '%s' not present in map", key);
      // The unchecked cast is safe because of the containsKey check.
      return uncheckedCastNullableTToT(result);
    }

    @Override
    public boolean equals(@Nullable Object o) {

    if (collection instanceof Set) {
      return Sets.filter((Set<E>) collection, predicate);
    } else {
      return Collections2.filter(collection, predicate);
    }
  }

  @Override
  public boolean containsKey(@Nullable Object key) {
    return asMap().get(key) != null;
  }

  @Override
  public Collection<V> removeAll(@Nullable Object key) {

  }

  @Override
  boolean isPartialView() {
    return false;
  }

  @Override
  public final boolean isEmpty() {
    return delegate.isEmpty();
  }

  @Override
  public final boolean containsKey(@Nullable Object key) {
    return Maps.safeContainsKey(delegate, key);
  }

  @Override
  public final boolean containsValue(@Nullable Object value) {
    return delegate.containsValue(value);
  }

    val isSlowInternetConnection
        get() = System.getProperty("slow.internet.connection", "false")!!.toBoolean()
    val agentNum: Int
        get() {
            if (System.getenv().containsKey("USERNAME")) {
                val agentNumEnv = System.getenv("USERNAME").replaceFirst("tcagent", "")
                if (Regex("""\d+""").containsMatchIn(agentNumEnv)) {
                    return agentNumEnv.toInt()