code: func (y *Yaxis) GetIncludeUnitsOk() (bool, bool) {
  	if y == nil || y.IncludeUnits == nil {
  		return false, false
  	}
  	return *y.IncludeUnits, true
  }
docs: // GetIncludeUnitsOk returns a tuple with the IncludeUnits field if it's non-nil, zero value otherwise
  // and a boolean to check if the value has been set.