code: @Nonnull
    public URLParameterList remove (@Nullable final String sName, @Nullable final String sValue)
    {
      removeIf (aParam -> aParam.hasName (sName) && aParam.hasValue (sValue));
      return this;
    }
docs: Remove all parameter with the given name and value.
  
  @param sName
  The key to remove. May be <code>null</code>.
  @param sValue
  The value to be removed. May be <code>null</code>.
  @return this