@NotNull
  private JBIterable<VirtualFile> getSelectedModifiedWithoutEditing() {
    return VcsTreeModelData.selectedUnderTag(this, MODIFIED_WITHOUT_EDITING_TAG)
      .iterateUserObjects(VirtualFile.class)
      .filter(VirtualFile::isValid);
  }
@NotNull
  private JBIterable<VirtualFile> getSelectedModifiedWithoutEditing()