| 
Interface Summary | 
| DataIterator | 
Iterator over a collection of xpaths and
 the corresponding value. | 
| LocationPathHandler | 
Handler for the enents generated while parsing
 an xpath. | 
| PredicateContext | 
Used to specify the information about the context
 of a predicate for the PredicateExpr. | 
| PredicateExpr | 
Composite interface that represents the expression
 in the predicate | 
| TokenIterator | 
Iterator across a specified range of the tokens
 generated from the xpath expressions. | 
| TranslatorResult | 
An object that implements this interface
 contains the information needed to build
 the  resulting xml document. | 
| XPathProcessor | 
Handles the processing of an xpath expression. |