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-rw-r--r--java/src/main/java/com/google/protobuf/nano/MessageNano.java5
1 files changed, 4 insertions, 1 deletions
diff --git a/java/src/main/java/com/google/protobuf/nano/MessageNano.java b/java/src/main/java/com/google/protobuf/nano/MessageNano.java
index 7eff153..0cf8416 100644
--- a/java/src/main/java/com/google/protobuf/nano/MessageNano.java
+++ b/java/src/main/java/com/google/protobuf/nano/MessageNano.java
@@ -139,7 +139,10 @@ public abstract class MessageNano {
}
/**
- * Intended for debugging purposes only. It does not use ASCII protobuf formatting.
+ * Returns a string that is (mostly) compatible with ProtoBuffer's TextFormat. Note that groups
+ * (which are deprecated) are not serialized with the correct field name.
+ *
+ * <p>This is implemented using reflection, so it is not especially fast.
*/
@Override
public String toString() {