#pragma once
#include <memory>
#include <vector>

// Forward declarations
class INode;
class ILink;
using NodePtr = std::shared_ptr<INode>;
using LinkPtr = std::shared_ptr<ILink>;

class ILink {
public:
	virtual ~ILink() = default;
	virtual NodePtr getNode() const = 0;
	virtual NodePtr getParent() const = 0;
	virtual void setParent(const NodePtr& parent) = 0;
	virtual const std::vector<NodePtr>& getChildren() const = 0;
	virtual void addChild(const NodePtr& child) = 0;
	virtual void removeChild(const NodePtr& child) = 0;
};