@Override
  public @NotNull VirtualFile createChildFile(Object requestor, @NotNull VirtualFile parent, @NotNull String file) throws IOException {
    throw new IOException(AnalysisBundle.message("jar.modification.not.supported.error", parent.getUrl()));
  }
@Override
  public @NotNull VirtualFile createChildFile(Object requestor, @NotNull VirtualFile parent, @NotNull String file)