text: import { meta } from '@ember/-internals/meta';
  
  let id = 0;
  const dataKey = symbol('data');
  
  function symbol(key) {
    return `_${key}_${new Date().getTime()}_${id++}`;
  }
  
  function getData(obj, s) {
    let m = meta(obj);
    let data = m[dataKey];
  
    if (data) {
      return data[s];
    }
  }
  
  function setData(obj, s, value) {
    let m = meta(obj);
    let data = (m[dataKey] = m[dataKey] || {});
  
    data[s] = value;
  }
  
  export default { symbol, getData, setData };
  