code: func (t *TileDefRequest) GetMetricOk() (string, bool) {
  	if t == nil || t.Metric == nil {
  		return "", false
  	}
  	return *t.Metric, true
  }
docs: // GetMetricOk returns a tuple with the Metric field if it's non-nil, zero value otherwise
  // and a boolean to check if the value has been set.