private void fastInfosetCharacters(final char[] ch, final int start, final int length) throws SAXException {
        LOGGER.trace(() -> LogUtil.message(
                "saxDocumentSerializer - characters(\"{}\")", new String(ch, start, length).trim()));
        saxDocumentSerializer.characters(ch, start, length);
    }
@param ch     An array of characters.
@param start  The starting position in the array.
@param length The number of characters to use from the array.
@throws org.xml.sax.SAXException The client may throw an exception during processing.
@see stroom.pipeline.filter.AbstractXMLFilter#characters(char[],
int, int)
stroom-pipeline/src/main/java/stroom/pipeline/refdata/ReferenceDataFilter.java