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