1 files changed, 6 insertions, 2 deletions
diff --git a/java/src/main/java/com/google/protobuf/MessageLite.java b/java/src/main/java/com/google/protobuf/MessageLite.java
index 3ebe9bba..cf7f39e2 100644
--- a/java/src/main/java/com/google/protobuf/MessageLite.java
+++ b/java/src/main/java/com/google/protobuf/MessageLite.java
@@ -317,14 +317,18 @@ public interface MessageLite {
      * then the message data.  Use
      * {@link MessageLite#writeDelimitedTo(OutputStream)} to write messages in
      * this format.
+     *
+     * @returns True if successful, or false if the stream is at EOF when the
+     *          method starts.  Any other error (including reaching EOF during
+     *          parsing) will cause an exception to be thrown.
      */
-    Builder mergeDelimitedFrom(InputStream input)
+    boolean mergeDelimitedFrom(InputStream input)
                                throws IOException;
 
     /**
      * Like {@link #mergeDelimitedFrom(InputStream)} but supporting extensions.
      */
-    Builder mergeDelimitedFrom(InputStream input,
+    boolean mergeDelimitedFrom(InputStream input,
                                ExtensionRegistryLite extensionRegistry)
                                throws IOException;
   }