tokenStream1 = new CollectionTokenStream(tokens1);
tokenStream2 = new CollectionTokenStream(tokens2);
tokenStreams = Lists.newArrayList(tokenStream1, tokenStream2);
fieldDescription = new FieldDescription("field1");
fieldDescription.getAnnotationDescriptions().add(annotationDescription1);
fieldDescription.getAnnotationDescriptions().add(annotationDescription2);
fieldDescription.setFilterDescriptions(Collections.EMPTY_LIST);
}