docs: function hasDuplicateDependentKeys(callExp) {
    if (!isComputedProp(callExp)) return false;
  
    const dependentKeys = parseDependentKeys(callExp);
    const uniqueKeys = dependentKeys
      .filter((val, index, self) => self.indexOf(val) === index);
  
    return uniqueKeys.length !== dependentKeys.length;
  }