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