code: @Override
    public final File getNarInfoDirectory(final File baseDir, final String groupId, final String artifactId, final String version,
                                           final String aol, final String type) throws MojoExecutionException {
  
    // This functionality is not supported for older layouts, return an empty file to be passive.
      getLog().debug("NarLayout20 doesn't support writing NarInfo to project classifier directories,use NarLayout21 instead.");
      return new File("");
    }
docs: /*
  (non-Javadoc)
  
  @see com.github.maven_nar.NarLayout#getNarInfoDirectory(java.io.File,
  java.lang.String
  java.lang.String
  java.lang.String
  com.github.maven_nar.AOL,
  java.lang.String)