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"use strict";Object.defineProperties(exports,{__esModule:{value:!0},[Symbol.toStringTag]:{value:"Module"}});const i=require("./util.js");function r(){const s=[];for(let n=0;n<arguments.length;n++){const e=n<0||arguments.length<=n?void 0:arguments[n];if(e){if(i.isString(e))s.push(e);else if(i.isArray(e))for(let t=0;t<e.length;t++){const u=r(e[t]);u&&s.push(u)}else if(i.isObject(e))for(const t in e)e[t]&&s.push(t)}}return s.join(" ")}exports.default=r;