func (g *Graph) HasDefinition() bool {
	if g != nil && g.Definition != nil {
		return true
	}

	return false
}
func (g *Graph) HasDefinition() bool {
	if g != nil && g.Definition != nil {
		return true
	}

	return false
}
func ( g * Graph ) HasDefinition ( ) bool { if g != nil && g . Definition != nil { return true } return false }
// HasDefinition returns a boolean if a field has been set.
HasDefinition returns a boolean if a field has been set .