ucene/store/DataOutput.html?is-external=true#writeString(java.lang.String)" title="class or interface in org.apache.lucene.store">writeString</a>, <a href="http://lucene.apache.org/core/5_1_0/core/org/apache/lucene/store/DataOutput.html?is-external=true#writeStringSet(java.util.Set)" title="class or interface in org.apache.lucene.store">writeStringSet</a>, <a href="http://lucene.apache.org/core/5_1_0/core/org/apache/lucene/store/DataOutput.html?is-external=true#writeStringStringMap(java.util.Map)" title="cl