code: @Nonnull
    @ReturnsMutableCopy
    public static ICommonsOrderedSet <IProxySettings> findAllProxySettings (@Nonnull final URI aURI)
    {
      return findAllProxySettings (aURI.getScheme (), aURI.getHost (), aURI.getPort ());
    }
docs: Find all proxy settings matching the provided parameters.
  
  @param aURI
  Destination URI
  @return A non-<code>null</code> set with all matching proxy settings. A set
  is used to avoid that the same settings are used more than once.
  @see #findAllProxySettings(String, String, int)