public FullyQualifyAmbiguousTypeNamesVisitor(IntroduceUsingDeclarations transform)
 {
     this.transform        = transform;
     this.currentNamespace = transform.context.CurrentType != null ? transform.context.CurrentType.Namespace : string.Empty;
 }
 public FindRequiredImports(IntroduceUsingDeclarations transform)
 {
     this.transform        = transform;
     this.currentNamespace = transform.context.CurrentType != null ? transform.context.CurrentType.Namespace : string.Empty;
 }