Resource providers related to diagnosticsettings not available

[akata72]

Bicep version
0.2.59

Describe the bug
We have several Azure resources that have diagnostics deployed typically in the form below, but I can't find a way to reference these using bicep. i.e
// "type": "Microsoft.KeyVault/vaults/providers/diagnosticsettings"
// "type": "Microsoft.Network/loadBalancers/providers/diagnosticSettings",

Not sure if this is a bug or if these resources should be referenced using a different provider (i.e microsoft.insights/diagnosticSettings).

To Reproduce
Try adding it.

[slavizh]

Duplicate #784

[anthony-c-martin]

This should also be covered by #870. As you mentioned, the true type of the resources you're trying to deploy is "Microsoft.Insights/diagnosticSettings" which does technically have types available - there's just no syntax to declare that resource as an extension of another resource in Bicep today.

[alex-frankel]

Closing as dup