this.set(ConfigurationKeys.ALLOW_LEADING_WILDCARD, false); // default in 2.9
this.set(ConfigurationKeys.ANALYZER, null); //default value 2.4
this.set(ConfigurationKeys.PHRASE_SLOP, 0); //default value 2.4
this.set(ConfigurationKeys.LOWERCASE_EXPANDED_TERMS, true); //default value 2.4
this.set(ConfigurationKeys.FIELD_BOOST_MAP, new LinkedHashMap<String, Float>());
this.set(ConfigurationKeys.FUZZY_CONFIG, new FuzzyConfig());
this.set(ConfigurationKeys.LOCALE, Locale.getDefault());
this.set(ConfigurationKeys.FIELD_DATE_RESOLUTION_MAP, new HashMap<CharSequence, DateTools.Resolution>());
// SIREn Default Values
// This key is not used in SIREn. Instead, we use DATATYPES_ANALYZERS