public CSTCollectionTypeCS(
     CSTCollectionTypeIdentifierCS typeId,
     CSTTypeCS elementType)
 {
     this.typeId      = typeId;
     this.elementType = elementType;
 }
        //private VariableDeclaration ast;

        public CSTVariableDeclarationCS(
            CSTNameCS name,
            CSTTypeCS type,
            CSTOclExpressionCS expression)
        {
            this.nameNodeCS       = name;
            this.typeNodeCS       = type;
            this.expressionNodeCS = expression;
        }