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## org.w3c.dom.ls
Interface LSSerializerFilter

All Superinterfaces:
  NodeFilter

public interface LSSerializerFilter
extends NodeFilter

`LSSerializerFilter`s provide applications the ability to examine nodes as they are being serialized and decide what nodes should be serialized or not. The `LSSerializerFilter` interface is based on the `NodeFilter` interface defined in [DOM Level 2 Traversal and Range] .

`Document`, `DocumentType`, `DocumentFragment`, `Notation`, and `Entity` nodes are not passed to the filter. The child nodes of an `EntityReference` node are only passed to the filter if the `EntityReference` node is skipped by the method `LSParserFilter.acceptNode()`.

When serializing an `Element`, the element is passed to the filter before any of its attributes are passed to the filter. Namespace declaration attributes, and default attributes (except in the case when " discard-default-content" is set to `false`), are never passed to the filter.

The result of any attempt to modify a node passed to a `LSSerializerFilter` is implementation dependent.

DOM applications must not raise exceptions in a filter. The effect of throwing exceptions from a filter is DOM implementation dependent.

Fields inherited from interface org.w3c.dom.traversal.NodeFilter
`FILTER_ACCEPT, FILTER_REJECT, FILTER_SKIP, SHOW_ALL, SHOW_ATTRIBUTE, SHOW_CDATA_SECTION, SHOW_COMMENT, SHOW_DOCUMENT, SHOW_DOCUMENT_FRAGMENT, SHOW_DOCUMENT_TYPE, SHOW_ELEMENT, SHOW_ENTITY, SHOW_ENTITY_REFERENCE, SHOW_NOTATION, SHOW_PROCESSING_INSTRUCTION, SHOW_TEXT`

Method Summary
`int` | `getWhatToShow()` Tells the `LSSerializer` what types of nodes to show to the filter.

Methods inherited from interface org.w3c.dom.traversal.NodeFilter
`acceptNode`

Method Detail

### getWhatToShow

    public int getWhatToShow()

  Tells the `LSSerializer` what types of nodes to show to the filter. If a node is not shown to the filter using this attribute, it is automatically serialized. See `NodeFilter` for definition of the constants. The constants `SHOW_DOCUMENT` , `SHOW_DOCUMENT_TYPE`, `SHOW_DOCUMENT_FRAGMENT` , `SHOW_NOTATION`, and `SHOW_ENTITY` are meaningless here, such nodes will never be passed to a `LSSerializerFilter`.
  The constants used here are defined in [DOM Level 2 Traversal and Range] .

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