tp://lucene.apache.org/core/4_10_0/core/org/apache/lucene/util/AttributeSource.html?is-external=true#clearAttributes()" title="class or interface in org.apache.lucene.util">clearAttributes</a>, <a href="http://lucene.apache.org/core/4_10_0/core/org/apache/lucene/util/AttributeSource.html?is-external=true#cloneAttributes()" title="class or interface in org.apache.lucene.util">cloneAttributes</a>, <a href="http://lucene.apache.org/core/4_10_0/core/org/apache/lucene/util/AttributeSource.html?is-external=true#c