var Base = {
  _loadedStyleNames: new Set(),
  getLoadedStyleNames: function getLoadedStyleNames() {
    return this._loadedStyleNames;
  },
  isStyleNameLoaded: function isStyleNameLoaded(name) {
    return this._loadedStyleNames.has(name);
  },
  setLoadedStyleName: function setLoadedStyleName(name) {
    this._loadedStyleNames.add(name);
  },
  deleteLoadedStyleName: function deleteLoadedStyleName(name) {
    this._loadedStyleNames["delete"](name);
  },
  clearLoadedStyleNames: function clearLoadedStyleNames() {
    this._loadedStyleNames.clear();
  }
};

export { Base as default };
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