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