protected internal NodeRef(INodeRef parent, string name, INodeRefCollection<INode, INodeRef> children)
: base(default(INode), default(string), default(INodeCollection<INode>))
{
Parent = parent;
Name = name;
Children = children;
}
protected internal VariableFormulaRef(string name, INodeRef referrers, ITerminalRef<ITypeDeclaration> type, ITerminalRef<string> variableName)
: base(name, referrers, IVariableFormulaMixin.ToProperties(type, variableName))
{
this.variableName = variableName;
}