code: public static void modifyClear(int mod) {
          mod &= ThemeManager._THEME_MASK;
          ThemeManager._THEME_MODIFIER |= mod;
          ThemeManager._THEME_MODIFIER ^= mod;
      }
docs: Clear modifier
  
  @see #modify(int)
  @see #modifyClear()
  @see #setModifier(int)