.fuzziness(Fuzziness.fromEdits(fuzzyQuery.getMaxEdits()))
                            .boost(b * boost)
                            .maxExpansions(fessConfig.getQueryFuzzyExpansionsAsInteger())
                            .prefixLength(fessConfig.getQueryFuzzyPrefixLengthAsInteger())
                            .transpositions(Constants.TRUE.equalsIgnoreCase(fessConfig.getQueryFuzzyTranspositions())));

            }

            @Override
            public String getQueryFuzzyExpansions() {
                return "50";
            }

            @Override
            public Integer getQueryFuzzyExpansionsAsInteger() {
                return 50;
            }
        };
    }

     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     * @throws NumberFormatException When the property is not integer.
     */
    Integer getQueryFuzzyExpansionsAsInteger();

    /**
     * Get the value for the key 'query.fuzzy.transpositions'. <br>
     * The value is, e.g. true <br>
     * comment: Whether to allow transpositions in fuzzy queries.