## Uses of Class
org.apache.xpath.axes.ChildTestIterator

- Packages that use ChildTestIterator
  Package | Description
  --- | ---
  org.apache.xalan.transformer | In charge of run-time transformations and the production of result trees.
  org.apache.xpath.axes | Implementation of XPath LocationPath support -- primary classes are LocPathIterator and UnionPathIterator.

- - ### Uses of ChildTestIterator in org.apache.xalan.transformer

    Subclasses of ChildTestIterator in org.apache.xalan.transformer
    Modifier and Type | Class and Description
    --- | ---
    `class` | `KeyIterator` This class implements an optimized iterator for "key()" patterns, matching each node to the match attribute in one or more xsl:key declarations.
    `class` | `KeyRefIterator` This class filters nodes from a key iterator, according to whether or not the use value matches the ref value.

  - ### Uses of ChildTestIterator in org.apache.xpath.axes

    Subclasses of ChildTestIterator in org.apache.xpath.axes
    Modifier and Type | Class and Description
    --- | ---
    `class` | `AttributeIterator` This class implements an optimized iterator for attribute axes patterns.
    `class` | `OneStepIterator` This class implements a general iterator for those LocationSteps with only one step, and perhaps a predicate.
    `class` | `OneStepIteratorForward` This class implements a general iterator for those LocationSteps with only one step, and perhaps a predicate, that only go forward (i.e. it can not be used with ancestors, preceding, etc.)
    `class` | `UnionChildIterator` This class defines a simplified type of union iterator that only tests along the child axes.

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