[FEATURE REQ] Finalize on API for ModelReaderWriter integration with JsonSerializer

[m-nash]

Library name

System.ClientModel

Please describe the feature.

For the initial release we are making JsonModelConverter internal. The following discussion needs to be resolved before we make it public again. #40766 (comment)

[AtOMiCNebula]

@m-nash, Is there an expectation of when this will be addressed and the model types will be linked up with [JsonConverter]s? I've brought this up in various issues here for over a year now (like in #25699 (comment)), but ResourceGraph returns a payload of a serialized list of resources (essentially IList<KeyVaultData> instead of KeyVaultData), and ModelReaderWriter can't currently handle that (AFAICT). Integrating with JsonConverter would though, especially if the model types had the attribute on them (so I don't have to provide my own Options).

I just noticed this because Azure.ResourceManager.KeyVault shipped a stable update with the new model serialization/deserialization in it, and I was sad that it still can't meet my needs (again, AFAICT). 😞

[annelo-msft]

@m-nash, has this issue been completed now that JsonModelConverter has shipped in SCM?