diff --git a/examples/flow/output/test/test_grpc_js.js b/examples/flow/output/test/test_grpc_js.js
index be399ae..e8a87e2 100644
--- a/examples/flow/output/test/test_grpc_js.js
+++ b/examples/flow/output/test/test_grpc_js.js
@@ -3,12 +3,13 @@
 
 import grpc from 'grpc'
 import pbFile from './pbFile.js'
-type TestEnum = 
+
+export type TestEnum = 
   | 'ELEMENT_A'
   | 'ELEMENT_B'
 ;
 
-type TestMessage = {|
+export type TestMessage = {|
   a?: string;
   b?: number;
   c?: number;
@@ -25,38 +26,38 @@ type TestMessage = {|
   ;
 |};
 
-type TestNoStreamRequest = {|
+export type TestNoStreamRequest = {|
   message?: TestMessage;
 |};
 
-type TestNoStreamReply = {|
+export type TestNoStreamReply = {|
   message?: TestMessage;
   err_msg?: string;
 |};
 
-type TestStreamRequestRequest = {|
+export type TestStreamRequestRequest = {|
   message?: TestMessage;
 |};
 
-type TestStreamRequestReply = {|
+export type TestStreamRequestReply = {|
   message?: TestMessage;
   err_msg?: string;
 |};
 
-type TestStreamReplyRequest = {|
+export type TestStreamReplyRequest = {|
   message?: TestMessage;
 |};
 
-type TestStreamReplyReply = {|
+export type TestStreamReplyReply = {|
   message?: TestMessage;
   err_msg?: string;
 |};
 
-type TestStreamBothRequest = {|
+export type TestStreamBothRequest = {|
   message?: TestMessage;
 |};
 
-type TestStreamBothReply = {|
+export type TestStreamBothReply = {|
   message?: TestMessage;
   err_msg?: string;
 |};
diff --git a/examples/flow/templates/{{.File.Package}}/{{.File.Package}}_grpc_js.js.tmpl b/examples/flow/templates/{{.File.Package}}/{{.File.Package}}_grpc_js.js.tmpl
index b155759..8acd68d 100644
--- a/examples/flow/templates/{{.File.Package}}/{{.File.Package}}_grpc_js.js.tmpl
+++ b/examples/flow/templates/{{.File.Package}}/{{.File.Package}}_grpc_js.js.tmpl
@@ -3,11 +3,12 @@
 {{$Package:=.File.Package}}
 import grpc from 'grpc'
 import pbFile from './pbFile.js'
-{{range .File.EnumType}}type {{.Name}} = {{range .Value}}
+{{range .File.EnumType}}
+export type {{.Name}} = {{range .Value}}
   | '{{.Name}}'{{end}}
 ;{{end}}
 {{range .File.MessageType}}
-type {{.Name}} = {|{{range .Field}}
+export type {{.Name}} = {|{{range .Field}}
   {{.Name}}?: {{. | jsType}};{{end}}{{range .EnumType}}
   {{.Name}}?:{{range .Value}}
     | '{{.Name}}'{{end}}