@Inject
public ExportParser(QueryPhase queryPhase, FetchPhase fetchPhase) {
Map<String, SearchParseElement> elementParsers = new HashMap<String, SearchParseElement>();
elementParsers.putAll(queryPhase.parseElements());
elementParsers.put("fields", new FieldsParseElement());
elementParsers.put("output_cmd", new ExportOutputCmdParseElement());
elementParsers.put("output_file", new ExportOutputFileParseElement());
elementParsers.put("force_overwrite", new ExportForceOverwriteParseElement());
elementParsers.put("compression", new ExportCompressionParseElement());
elementParsers.put("explain", new ExplainParseElement());