void reloadAlreadyLoadedDocuments() {
    if (myMapping.isEmpty()) {
      return;
    }

    FileDocumentManagerImpl fileDocumentManager = (FileDocumentManagerImpl)FileDocumentManager.getInstance();
    for (VirtualFilePointer pointer : myMapping.keySet()) {
      VirtualFile file = pointer.getFile();
      Document cachedDocument = file == null ? null : fileDocumentManager.getCachedDocument(file);
      if (cachedDocument != null) {
        // reload document in the right encoding if someone sneaky (you, BreakpointManager) managed to load the document before project opened
        reload(file, myProject, fileDocumentManager);
      }
    }
  }
void reloadAlreadyLoadedDocuments()