[BUG] Some Custom DataSource APIs missing in Typed Code

[iJungleboy]

I'm submitting a

[x] bug report

...about

[x] Razor templating
[x] Custom Data Sources

Current Behavior / Expected Behavior

Creating custom data sources has become very easy since 2sxc 16 by inheriting the Custom.DataSource.DataSource16.

To make the docs simpler, some of the standard IDataSource APIs were implemented in a explicit way so they don't clutter the docs.
The APIs still worked in dynamic code, but they didn't show up in the docs.

But once we moved to typed code, some of these APIs were not available since Razor now really knew the type, and the type didn't actually contain the List or GetStream(...) APIs.

So these must be made proper APIs, and still hidden in the docs for simplicity.

Your environment

• 2sxc version(s): 19.00.00