@PipelineProperty(
            description = "The string to delimit multiple simple values.",
            defaultValue = DEFAULT_MULTIPLE_STRING_DELIMITER,
            displayPriority = 1)
    public void setMultipleValueDelimiter(final String delimiter) {
        this.multipleValueDelimiter = delimiter;
    }
Fired when a prefix mapping moves out of scope.

@param prefix The prefix.
@throws SAXException Not thrown.
@see stroom.pipeline.filter.AbstractXMLFilter#endPrefixMapping(java.lang.String)
stroom-search/stroom-search-extraction/src/main/java/stroom/search/extraction/XPathExtractionOutputFilter.java