public static IndexingOperation fromStream(SimpleCharStream input, boolean multiLine) throws ParseException {
        return fromStream(input, multiLine, new SimpleLinguistics(),
                          Chunker.throwsOnUse.asMap(), Embedder.throwsOnUse.asMap(), FieldGenerator.throwsOnUse.asMap());
    }
Creates an indexing operation which will use the simple linguistics implementation suitable for testing
config-model/src/main/java/com/yahoo/schema/fieldoperation/IndexingOperation.java