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## javax.xml.crypto
Interface XMLStructure

All Known Subinterfaces:
  CanonicalizationMethod, DigestMethod, KeyInfo, KeyName, KeyValue, Manifest, PGPData, Reference, RetrievalMethod, SignatureMethod, SignatureProperties, SignatureProperty, SignedInfo, Transform, X509Data, X509IssuerSerial, XMLObject, XMLSignature, XMLSignature.SignatureValue

All Known Implementing Classes:
  DOMStructure, TransformService

    public interface XMLStructure

A representation of an XML structure from any namespace. The purpose of this interface is to group (and provide type safety for) all representations of XML structures.

Author:
  Sean Mullan, JSR 105 Expert Group

Method Summary
`boolean` | `isFeatureSupported(java.lang.String feature)` Indicates whether a specified feature is supported.

Method Detail

### isFeatureSupported

    boolean isFeatureSupported(java.lang.String feature)

  Indicates whether a specified feature is supported.

  Parameters:
    `feature` - the feature name (as an absolute URI)
  Returns:
    `true` if the specified feature is supported, `false` otherwise
  Throws:
    `java.lang.NullPointerException` - if `feature` is `null`

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