[BUG] ExamplesMethodWithHttpMessagesAsync calls nonexistent API

[v-kydela]

Describe the bug

A customer on Stack Overflow tried to use ExamplesMethodWithHttpMessagesAsync in sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Model.cs, but the method always returns 404 because it's trying to call a LUIS authoring API that doesn't exist. There is no apps/{appId}/versions/{versionId}/models/{modelId}/examples endpoint, only an apps/{appId}/versions/{versionId}/examples endpoint that's called in ListWithHttpMessagesAsync and documented here.

Exception or Stack Trace

{"error":{"code":"404","message": "Resource not found"}}

To Reproduce

Steps to reproduce the behavior:

1. Call ExamplesMethodWithHttpMessagesAsync with valid parameters
2. See error

Expected behavior

The Azure SDK should not contain nonexistent API calls

Setup (please complete the following information):

• OS: Windows 10
• IDE: Visual Studio 2019
• Version of the Library used: master branch

Information Checklist
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[v-kydela]

I've spoken to the LUIS team and it seems like this API was implemented but never exposed. It sounds like they're going to fix it on their end. I'll leave the issue open a little longer for visibility.

[praries880]

Thank you for opening this issue! We are routing it to the appropriate team for follow up.

[v-kydela]

@praries880 - The LUIS team said they would deploy this API and it should be working in a couple of weeks. I don't think there's anything to do on your end.