--- lucene-1.4.2/src/java/org/apache/lucene/search/Searcher.java	Mon Mar 29 14:48:04 2004
+++ lucene-1.4.2-patched/src/java/org/apache/lucene/search/Searcher.java	Sat Oct  2 12:31:44 2004
@@ -17,6 +17,8 @@
  */
 
 import java.io.IOException;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.document.Document;
 
 /** An abstract base class for search implementations.
  * Implements some common utility methods.
@@ -85,4 +87,31 @@
   public Similarity getSimilarity() {
     return this.similarity;
   }
+
+    abstract public void close()
+        throws IOException;
+
+    abstract public int docFreq(Term term)
+        throws IOException;
+    
+    abstract public int maxDoc()
+        throws IOException;
+
+    abstract public Document doc(int i)
+        throws IOException;
+
+    abstract public Query rewrite(Query query)
+        throws IOException;
+
+    abstract public Explanation explain(Query query, int doc)
+        throws IOException;
+
+    abstract public void search(Query query, Filter filter, HitCollector results)
+        throws IOException;
+
+    abstract public TopDocs search(Query query, Filter filter, int n)
+        throws IOException;
+
+    abstract public TopFieldDocs search(Query query, Filter filter, int n, Sort sort)
+        throws IOException;
 }