http://lucene.apache.org/lucene-parent/lucene-queries: Lucene Queries Module (The Apache Software Foundation) 
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The payloads package provides Query mechanisms for finding and using payloads.


  The following Query implementations are provided:
  
    
   
  1. PayloadScoreQuery -- For all terms matched by a SpanQuery, boost the score based on the value of the payload located at those terms.
    2. 
  


/** 
 * The payloads package provides Query mechanisms for finding and using payloads.
 * <p>
 *   The following Query implementations are provided:
 *   <ol>
 *    <li>{@link org.apache.lucene.queries.payloads.PayloadScoreQuery PayloadScoreQuery} -- For all terms matched by
 *        a SpanQuery, boost the score based on the value of the payload located at those terms.</li>
 *   </ol>
 */
package org.apache.lucene.queries.payloads;