.setSource(XContentFactory.jsonBuilder().startObject().startObject("properties").startObject(FieldNames.ARRAY_KEY)
                                .field("type", "keyword").endObject().endObject().endObject())
                        .execute().actionGet(settings.getIndicesTimeout());
            }
        } catch (final IOException e) {
            throw new SuggestSettingsException("Failed to create mappings.");

        try (final JsonParser jsonParser = jsonFactory.createJsonParser(jwtClaim)) {
            while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
                final String name = jsonParser.getCurrentName();
                if (name != null) {
                    jsonParser.nextToken();