public EsTypeEntry build() {
            Objects.requireNonNull(type, "Type must not be null");
            return new EsTypeEntry(this);
        }
An Elasticsearch type entry

@author Marc Savy {@literal <marc@blackparrotlabs.io>}
common/es/src/main/java/io/apiman/common/es/util/builder/index/EsTypeEntry.java