}
    }
    cachingHashMap.clear();
  }

  @Override
  public V putIfAbsent(K key, V value) {
    V currentValue = get(key);
    if (currentValue != null) {
      return currentValue;
    }
    return put(key, value);
  }

  @CanIgnoreReturnValue
  @Override
  public boolean remove(Object key, Object value) {
    if (value.equals(get(key))) {

   * function for most uses, but the virtualized form is needed within retryUpdate.
   *
   * @param currentValue the current value (of either base or a cell)
   * @param newValue the argument from a user update call
   * @return result of the update function
   */
  abstract long fn(long currentValue, long newValue);

  /**
   * Handles cases of updates involving initialization, resizing, creating new Cells, and/or

      local = Optional.absent();
      for (String currentValue : parameters.get(CHARSET_ATTRIBUTE)) {
        if (value == null) {
          value = currentValue;
          local = Optional.of(Charset.forName(value));
        } else if (!value.equals(currentValue)) {
          throw new IllegalStateException(
              "Multiple charset values defined: " + value + ", " + currentValue);
        }
      }
      parsedCharset = local;

      local = Optional.absent();
      for (String currentValue : parameters.get(CHARSET_ATTRIBUTE)) {
        if (value == null) {
          value = currentValue;
          local = Optional.of(Charset.forName(value));
        } else if (!value.equals(currentValue)) {
          throw new IllegalStateException(
              "Multiple charset values defined: " + value + ", " + currentValue);
        }
      }
      parsedCharset = local;

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t","stop","setter","clearQueue","tmp","count","defer","pnum","source","rcssNum","cssExpand","isAttached","composed","getRootNode","isHiddenWithinTree","style","display","css","adjustCSS","valueParts","tween","adjusted","scale","maxIterations","currentValue","initial","unit","cssNumber","initialInUnit","defaultDisplayMap","showHide","show","values","body","hide","toggle","div","rcheckableType","rtagName","rscriptType","createDocumentFragment","checkClone","cloneNode","noCloneChecked","defaultValu...