accept<R, C, CO extends C>  method 
Implementation
@override
R accept<R, C, CO extends C>(BindingTargetVisitor<R, C> visitor,
        [CO? context]) =>
    visitor.visitPropertyBinding(this, context);@override
R accept<R, C, CO extends C>(BindingTargetVisitor<R, C> visitor,
        [CO? context]) =>
    visitor.visitPropertyBinding(this, context);