LUCENE-7283: deprecate SlowCompositeReaderWrapper and uninverting package

lucene/CHANGES.txt

@@ -40,6 +40,9 @@ API Changes
 * LUCENE-7243: Removed the LeafReaderContext parameter from
   QueryCachingPolicy#shouldCache. (Adrien Grand)
 
+* LUCENE-7283: SlowCompositeReaderWrapper and the uninverting package have
+  been moved to Solr.  (Mike McCandless)
+
 Optimizations
 
 * LUCENE-7071: Reduce bytes copying in OfflineSorter, giving ~10%

lucene/misc/src/java/org/apache/lucene/index/SlowCompositeReaderWrapper.java

@@ -40,8 +40,11 @@ import org.apache.lucene.util.Bits;
  * {@link IndexReader#getContext()} to get the
  * leaves and then operate per-LeafReader,
  * instead of using this class.
+ *
+ * @deprecated This will be removed in Lucene 7.0.
  */
 
+@Deprecated
 public final class SlowCompositeReaderWrapper extends LeafReader {
 
   private final CompositeReader in;

lucene/misc/src/java/org/apache/lucene/uninverting/DocTermOrds.java

@@ -75,6 +75,8 @@ import org.apache.lucene.util.StringHelper;
  * The RAM consumption of this class can be high!
  *
  * @lucene.experimental
+ *
+ * @deprecated This will be removed in Lucene 7.0.
  */
 
 /*
@@ -106,7 +108,7 @@ import org.apache.lucene.util.StringHelper;
  *   much like Lucene's own internal term index).
  *
  */
-
+@Deprecated
 public class DocTermOrds implements Accountable {
 
   // Term ords are shifted by this, internally, to reserve

lucene/misc/src/java/org/apache/lucene/uninverting/UninvertingReader.java

@@ -50,7 +50,10 @@ import org.apache.lucene.util.Bits;
  * field's docvalues (e.g. via {@link org.apache.lucene.index.LeafReader#getNumericDocValues(String)} 
  * or similar), it will create the docvalues on-the-fly if needed and cache it,
  * based on the core cache key of the wrapped LeafReader.
+ *
+ * @deprecated This will be removed in Lucene 7.0.
  */
+@Deprecated
 public class UninvertingReader extends FilterLeafReader {
   
   /**