lukecwik commented on a change in pull request #11199: [BEAM-9562] Update Timer 
encoding with respect of dynamic timers
URL: https://github.com/apache/beam/pull/11199#discussion_r402411530
 
 

 ##########
 File path: 
model/fn-execution/src/main/resources/org/apache/beam/model/fnexecution/v1/standard_coders.yaml
 ##########
 @@ -28,6 +28,23 @@
 #             one of a few standard JSON types such as numbers, strings, dicts 
that map naturally
 #             to the type encoded by the coder.
 #
+# Java code snippet to generate example bytes:
+#   Coder<Timer<String>> coder = Timer.Coder.of(StringUtf8Coder.of(), 
GlobalWindow.Coder.INSTANCE);
+#   Instant now = new Instant(1000L);
+#   Timer<String> timer = Timer.of(
+#     "key",
+#     "tag",
+#     now,
+#     now,
+#     Collections.singletonList(GlobalWindow.INSTANCE),
+#     PaneInfo.NO_FIRING);
+#   byte[] byets = CoderUtils.encodeToByteArray(coder, timer);
+#   String str = new String(byets, 
java.nio.charset.StandardCharsets.ISO_8859_1);
 
 Review comment:
   You sure the charset needs to be ISO_8859_1?
   
   ```suggestion
   #   byte[] bytes = CoderUtils.encodeToByteArray(coder, timer);
   #   String str = new String(bytes, 
java.nio.charset.StandardCharsets.ISO_8859_1);
   ```

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