Which @angular/* package(s) are the source of the bug?

common

Is this a regression?

No

Description

The typing of the input ngComponentOutletContent should be ?: Node[][] since that is what is expected by ViewContainerRef.createComponent into which the input is passed.

Please provide a link to a minimal reproduction of the bug

No response

Please provide the exception or error you saw

Please provide the environment you discovered this bug in (run ng version)

Anything else?

No response