protected RubyLibraryNode(RubyLibraryNode node) : base(node) { }
protected RubyLibraryNode(RubyLibraryNode node) : base(node) { }
protected RubyLibraryNode(RubyLibraryNode node) : base(node) { }
protected RubyLibraryNode(RubyLibraryNode node) : base(node) { }