@Override
  public InjectedFileChangesHandler createFileChangesHandler(List<? extends PsiLanguageInjectionHost.Shred> shreds,
                                                             Editor hostEditor,
                                                             Document newDocument,
                                                             PsiFile injectedFile) {
    if (Registry.is("injections.java.fragment.editor.new") && !hasBlockLiterals(shreds) && !hasSnippet(shreds)) {
      return new JavaInjectedFileChangesHandler(shreds, hostEditor, newDocument, injectedFile);
    }
    else {
      return new OldJavaInjectedFileChangesHandler(shreds, hostEditor, newDocument, injectedFile);
    }
  }
@Override
  public InjectedFileChangesHandler createFileChangesHandler(List<? extends PsiLanguageInjectionHost.Shred> shreds,
                                                             Editor hostEditor,
                                                             Document newDocument,
                                                             PsiFile injectedFile)