private string StringSingletonNode(SingletonDependencyNode node, string[] dependencies)
=> $"(_SingletonInstances.__{node.InstanceName} ??= new {node.TypeName}({string.Join(", ", dependencies)}))";
public DependencyNode(SingletonDependencyNode singletonDependencyNode)
{
_dependencyNodeType = DependencyNodeTypeEnum.Singleton;
_value = singletonDependencyNode;
}