/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></pre>
<div class="block">Search criteria are expressed as a tree of search-terms, forming
 a parse-tree for the search expression. <p>

 Search-terms are represented by this class. This is an abstract
 class; subclasses implement specific match methods. <p>

 Search terms are serializable, which allows storing a search term
 between sessions.

 <strong>Warning:</strong>
 Serialized objects of this 