code: @Nullable
    @OverrideOnDemand
    protected String getPassword (@Nonnull final IRequestWebScopeWithoutResponse aRequestScope)
    {
      return aRequestScope.params ().getAsString (CLogin.REQUEST_ATTR_PASSWORD);
    }
docs: Get the current password
  
  @param aRequestScope
  Request scope
  @return <code>null</code> if no password was present
  @since 3.4.0