private void doStoreAlignmentMapping(AbstractBlockWrapper key, AbstractBlockWrapper value) {
    Set<AbstractBlockWrapper> wrappers = myAlignmentMappings.get(key);
    if (wrappers == null) {
      myAlignmentMappings.put(key, wrappers = new HashSet<>());
    }
    wrappers.add(value);
  }
private void doStoreAlignmentMapping(AbstractBlockWrapper key, AbstractBlockWrapper value)