public abstract void VisitVariableDeclaration(VariableDeclarationAstNode node);
public override void VisitVariableDeclaration(VariableDeclarationAstNode node) { }
public abstract void VisitVariableDeclaration(VariableDeclarationAstNode node);
public override void VisitVariableDeclaration(VariableDeclarationAstNode node) { }