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export default function () {  return function (...names) {    const classes = new Set();
    names.forEach((name) => handle(classes, name));
    return Array.from(classes).join(" ");  };}
function handle(classes, name) {  if (!name) {    return;  }
  if (typeof name === "string") {    return classes.add(name);  }
  if (Array.isArray(name)) {    return name.forEach((value) => handle(classes, value));  }
  for (let [key, value] of Object.entries(name)) {    if (value) {      classes.add(key);    }  }}