streamBuilder.addField(new TypedField("a",
new NullableType(new ListType(Type.getPrimitive(Type.TypeName.INT)))));
streamBuilder.addField(new TypedField("b", Type.getNullable(Type.TypeName.INT)));
Event e = new EventImpl("1|2|3,4".getBytes());
streamBuilder.addEvent(e);
StreamSymbol stream = streamBuilder.build();
List<Pair<String, Object>> checks = new ArrayList<Pair<String, Object>>();
List<Object> innerList = new ArrayList<Object>();
innerList.add(Integer.valueOf(1));
innerList.add(Integer.valueOf(2));