docs: function ComputedProperty(func, opts) {
        func.__ember_arity__ = func.length;
        this.func = func;
  
        this._cacheable = (opts && opts.cacheable !== undefined) ? opts.cacheable : true;
        this._dependentKeys = opts && opts.dependentKeys;
        this._readOnly = opts && (opts.readOnly !== undefined || !!opts.readOnly) || false;
      }