Expose ParsedQuery parameter name mapping.

Author: mp911de

src/main/java/org/springframework/data/repository/query/ValueExpressionQueryRewriter.java

@@ -293,7 +293,7 @@ public int size() {
 		 *
 		 * @return Guaranteed to be not {@literal null}.
 		 */
-		Map<String, ValueExpression> getParameterMap() {
+		public Map<String, ValueExpression> getParameterMap() {
 			return expressions;
 		}