Add TypedData instance kinds.

runtime/vm/service/service.md

Index: runtime/vm/service/service.md
diff --git a/runtime/vm/service/service.md b/runtime/vm/service/service.md
index a424865963dd2328ac9547a4ec0eb2e8212e08ac..1ad7fef90f4c7a5ce912147a0028c507acd4a01f 100644
--- a/runtime/vm/service/service.md
+++ b/runtime/vm/service/service.md
@@ -1229,6 +1229,8 @@ class @Instance extends @Object {
   //
   // Provided for instance kinds:
   //   List
+  //   Map
+  //   TypedData
   int length [optional];
 
   // The name of a Type instance.
@@ -1278,6 +1280,8 @@ class Instance extends Object {
   //
   // Provided for instance kinds:
   //   List
+  //   Map
+  //   TypedData
   int length [optional];
 
   // The name of a Type instance.
@@ -1313,6 +1317,12 @@ class Instance extends Object {
   //   Map
   MapAssociation[] associations [optional];
 
+  // The bytes of a TypedData instance.
+  //
+  // Provided for instance kinds:
+  //   TypedData
+  int[] bytes [optional];
+
   // The function associated with a Closure instance.
   //
   // Provided for instance kinds:
@@ -1411,6 +1421,10 @@ enum {
   // Maps will be PlainInstance.
   Map,
 
+  // An instance of the built-in VM TypedData implementations.  User-defined
+  // TypedDatas will be PlainInstance.
+  TypedData,
+
   // An instance of the built-in VM Closure implementation. User-defined
   // Closures will be PlainInstance.
   Closure,