type size = '16' | '18' | '20' | '24' | '28' | '32' | '64' | '128';
type IconModifierConfig = {
  'o-icon': [size];
};
export type IconModifier = {
  [P in keyof IconModifierConfig]: {
    prefix: P;
    modifiers: IconModifierConfig[P];
  };
}[keyof IconModifierConfig];

export type ModifierItems = IconModifier[] | [size];