How to use

org.netbeans.modules.cnd.utils.cache.MapSnapshot$Holder

constructor

public APTMacroMapSnapshot(RepositoryDataInput input) throws IOException {
  super(APTSerializeUtils.readSnapshot(input));
  int collSize = input.readInt();
  if (collSize == -2) {
    this.storage = APTSerializeUtils.readMacro(input);
  } else if (collSize == -1) {
    this.storage = CharSequences.create(input.readCharSequenceUTF());
  } else if (collSize == 0) {
    storage = EMPTY;
  } else {
    Object[] arr = readMacros(collSize, input);
    storage = SnapshotHolderCache.getManager().getHolder(new Holder(arr));
  }
}  

@SuppressWarnings("unchecked")
private void freeze() {
  if (storage instanceof Map<?,?>) {
    if (storage != EMPTY) {
      Object[] arr = compact((Map<CharSequence,Object>)storage);
      storage = cacheHolder(new Holder(arr));
    }
  }
}