code: DispatchKey newKey(final Object pDirectoryKey, final Path pRelativePath) {
          return fileKeyFactory.newKey(pDirectoryKey, pRelativePath);
      }
docs: <p><em>INTERNAL API, only ot be used in class hierarchy</em></p>
  <p>
  Creates a new {@link DispatchKey} based on the directory-key and
  relative path specified, see {@link Directory#addWatchedDirectory(WatchedDirectory)} for further information.
  
  @param pDirectoryKey Directory-key, must not be {@code null}
  @param pRelativePath Relative path, must not be {@code null}
  @return New file-key, never {@code null}