public abstract void VisitParameterDeclaration(ParameterDeclarationAstNode node);
public override void VisitParameterDeclaration(ParameterDeclarationAstNode node) { }
public abstract void VisitParameterDeclaration(ParameterDeclarationAstNode node);
public override void VisitParameterDeclaration(ParameterDeclarationAstNode node) { }