docs: protected PluginClassLoader createPluginClassLoader(final File pluginFile) throws IOException {
          return new PluginClassLoader(pluginFile, Thread.currentThread().getContextClassLoader()) {
              @Override
              protected File createWorkDir(File pluginArtifactFile) throws IOException {
                  File workDir = new File(pluginFile.getParentFile(), ".work"); //$NON-NLS-1$
                  workDir.mkdirs();
                  return workDir;
              }
          };
      }