diff --git a/generator/src/cli.js b/generator/src/cli.js
index 9b70f2e0..9df6965e 100755
--- a/generator/src/cli.js
+++ b/generator/src/cli.js
@@ -325,16 +325,11 @@ async function requireElm(compiledElmPath) {
 function generatorWrapperFile(moduleName) {
   return `port module Main exposing (main)
 
-import BackendTask exposing (BackendTask)
-import FatalError
-import Cli.Program as Program
-import Json.Decode as Decode
-import Json.Encode as Encode
 import Pages.Internal.Platform.GeneratorApplication
 import ${moduleName}
 
 
-main : Program.StatefulProgram Pages.Internal.Platform.GeneratorApplication.Model Pages.Internal.Platform.GeneratorApplication.Msg (BackendTask FatalError.FatalError ()) Pages.Internal.Platform.GeneratorApplication.Flags
+main : Pages.Internal.Platform.GeneratorApplication.Program
 main =
     Pages.Internal.Platform.GeneratorApplication.app
         { data = ${moduleName}.run
@@ -345,13 +340,13 @@ main =
         }
 
 
-port toJsPort : Encode.Value -> Cmd msg
+port toJsPort : Pages.Internal.Platform.GeneratorApplication.JsonValue -> Cmd msg
 
 
-port fromJsPort : (Decode.Value -> msg) -> Sub msg
+port fromJsPort : (Pages.Internal.Platform.GeneratorApplication.JsonValue -> msg) -> Sub msg
 
 
-port gotBatchSub : (Decode.Value -> msg) -> Sub msg
+port gotBatchSub : (Pages.Internal.Platform.GeneratorApplication.JsonValue -> msg) -> Sub msg
 `;
 }
 function collect(value, previous) {
diff --git a/src/Pages/Internal/Platform/GeneratorApplication.elm b/src/Pages/Internal/Platform/GeneratorApplication.elm
index 784e0678..d97087a8 100644
--- a/src/Pages/Internal/Platform/GeneratorApplication.elm
+++ b/src/Pages/Internal/Platform/GeneratorApplication.elm
@@ -1,8 +1,8 @@
-module Pages.Internal.Platform.GeneratorApplication exposing (Flags, Model, Msg(..), init, requestDecoder, update, app)
+module Pages.Internal.Platform.GeneratorApplication exposing (Program, Flags, Model, Msg(..), init, requestDecoder, update, app, JsonValue)
 
 {-| Exposed for internal use only (used in generated code).
 
-@docs Flags, Model, Msg, init, requestDecoder, update, app
+@docs Program, Flags, Model, Msg, init, requestDecoder, update, app, JsonValue
 
 -}
 
@@ -25,6 +25,14 @@ import Pages.StaticHttp.Request
 import TerminalText as Terminal
 
 
+type alias JsonValue =
+    Decode.Value
+
+
+type alias Program =
+    Program.StatefulProgram Model Msg (BackendTask FatalError.FatalError ()) Flags
+
+
 {-| -}
 type alias Flags =
     { compatibilityKey : Int
@@ -47,7 +55,7 @@ type Msg
 {-| -}
 app :
     GeneratorProgramConfig
-    -> Program.StatefulProgram Model Msg (BackendTask FatalError ()) Flags
+    -> Program
 app config =
     let
         cliConfig : Program.Config (BackendTask FatalError ())