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  /*
   * $Id: Templates.java,v 1.5 2010-11-01 04:36:11 joehw Exp $
   * %W% %E%
   */
  package mf.javax.xml.transform;
  
  import java.util.Properties;
  
  
  /**
   * An object that implements this interface is the runtime representation of processed
   * transformation instructions.
   * <p/>
   * <p>Templates must be threadsafe for a given instance
   * over multiple threads running concurrently, and may
   * be used multiple times in a given session.</p>
   */
  public interface Templates {
  
      /**
       * Create a new transformation context for this Templates object.
       *
       * @return A valid non-null instance of a Transformer.
       * @throws TransformerConfigurationException if a Transformer can not be created.
       */
      Transformer newTransformer() throws TransformerConfigurationException;
  
      /**
       * Get the properties corresponding to the effective xsl:output element.
       * The object returned will
       * be a clone of the internal values. Accordingly, it can be mutated
       * without mutating the Templates object, and then handed in to
       * {@link javax.xml.transform.Transformer#setOutputProperties}.
       * <p/>
       * <p>The properties returned should contain properties set by the stylesheet,
       * and these properties are "defaulted" by default properties specified by
       * <a href="http://www.w3.org/TR/xslt#output">section 16 of the
       * XSL Transformations (XSLT) W3C Recommendation</a>.  The properties that
       * were specifically set by the stylesheet should be in the base
       * Properties list, while the XSLT default properties that were not
       * specifically set should be in the "default" Properties list.  Thus,
       * getOutputProperties().getProperty(String key) will obtain any
       * property in that was set by the stylesheet, <em>or</em> the default
       * properties, while
       * getOutputProperties().get(String key) will only retrieve properties
       * that were explicitly set in the stylesheet.</p>
       * <p/>
       * <p>For XSLT,
       * <a href="http://www.w3.org/TR/xslt#attribute-value-templates">Attribute
       * Value Templates</a> attribute values will
       * be returned unexpanded (since there is no context at this point).  The
       * namespace prefixes inside Attribute Value Templates will be unexpanded,
       * so that they remain valid XPath values.</p>
       *
       * @return A Properties object, never null.
       */
      Properties getOutputProperties();
  }
  