public VXQueryLogicalExpressionPrettyPrintVisitor(StaticContext ctx) {
this.ctx = ctx;
this.ip = (IntegerPointable) IntegerPointable.FACTORY.createPointable();
this.tvp = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
this.serializer = new XMLSerializer();
this.os = new ByteArrayOutputStream();
this.ps = new PrintStream(os);
}