getFontOptions(pile, multiName) {
    const result = {};
    const optionNames = ["color", "size", "face", "mod", "vadjust"]; // List of allowed options per multi-font

    for (let i = 0; i < optionNames.length; ++i) {
      const mod = optionNames[i];
      result[mod] = this.getFontOption(pile, multiName, mod);
    }

    return result;
  }
Return all options values for the given multi-font.

All available option objects are trawled in the set order to construct the option values.
@param {Pile} pile  pile of option objects to use
@param {MultiFontStyle} multiName sub path for the mod-font
@returns {MultiFontOptions}
@private