Sync from Piper @334206209

PROTOBUF_SYNC_PIPER
diff --git a/js/binary/constants.js b/js/binary/constants.js
index f8b13a8..d2e62e5 100644
--- a/js/binary/constants.js
+++ b/js/binary/constants.js
@@ -31,6 +31,7 @@
 /**
  * @fileoverview This file contains constants and typedefs used by
  * jspb.BinaryReader and BinaryWriter.
+ * @suppress {missingRequire} TODO(b/152540451): this shouldn't be needed
  *
  * @author aappleby@google.com (Austin Appleby)
  */
diff --git a/js/binary/decoder.js b/js/binary/decoder.js
index 257c283..fb40ec9 100644
--- a/js/binary/decoder.js
+++ b/js/binary/decoder.js
@@ -40,6 +40,7 @@
  * intact, you _must_ read them using one of the Hash64 methods, which return
  * an 8-character string.
  *
+ * @suppress {missingRequire} TODO(b/152540451): this shouldn't be needed
  * @author aappleby@google.com (Austin Appleby)
  */
 
diff --git a/js/binary/reader.js b/js/binary/reader.js
index 2af1a4a..6fdbd6f 100644
--- a/js/binary/reader.js
+++ b/js/binary/reader.js
@@ -41,6 +41,7 @@
  * using the typed jspb code generator, but if you bypass that you'll need
  * to keep things in sync by hand.
  *
+ * @suppress {missingRequire} TODO(b/152540451): this shouldn't be needed
  * @author aappleby@google.com (Austin Appleby)
  */
 
diff --git a/js/binary/utils.js b/js/binary/utils.js
index 203eec1..6cd15e3 100644
--- a/js/binary/utils.js
+++ b/js/binary/utils.js
@@ -32,6 +32,7 @@
  * @fileoverview This file contains helper code used by jspb.BinaryReader
  * and BinaryWriter.
  *
+ * @suppress {missingRequire} TODO(b/152540451): this shouldn't be needed
  * @author aappleby@google.com (Austin Appleby)
  */
 
diff --git a/js/binary/writer.js b/js/binary/writer.js
index ab9a815..1e2beee 100644
--- a/js/binary/writer.js
+++ b/js/binary/writer.js
@@ -52,6 +52,7 @@
  * Major caveat 3 - This class uses typed arrays and must not be used on older
  * browsers that do not support them.
  *
+ * @suppress {missingRequire} TODO(b/152540451): this shouldn't be needed
  * @author aappleby@google.com (Austin Appleby)
  */