private void addJspSourceFolder(@NotNull JpsModuleSourceRoot jpsModuleSourceRoot, @NotNull String url) {
    final JpsContentEntry dummyJpsContentEntry = new JpsContentEntry(myDummyJpsModule, myDummyJpsRootModel, url);
    final JpsSourceFolder jpsSourceFolder = new JpsSourceFolder(jpsModuleSourceRoot, dummyJpsContentEntry);
    myJpsSourceFolders.add(jpsSourceFolder);
    // since dummyJpsContentEntry created for each source folder, we will dispose it on that source folder disposal
    Disposer.register(jpsSourceFolder, dummyJpsContentEntry);
  }
private void addJspSourceFolder(@NotNull JpsModuleSourceRoot jpsModuleSourceRoot, @NotNull String url)