#lynx: addFont() static method

export interface FontFace {
  'font-family': string;
  'src': string;
}

addFont(fontFace: FontFace, callback?: () => void): void;

lynx.addFont(
  {
    'font-family': 'CustomFont',
    src: 'url("xxx")',
  },
  () => {
    console.log('load font');
  },
);