Which three statements are primary attributes of next$-$generation programmatic interfaces? $($Choose three.$)$

They must support different types of transport: HTTP$,$ SSH$,$ and TLS$.$

They must be flexible and support different types of encoding formats, such as TCL and Python.

They must support different types of transport: HTTPS$,$ Telnet, and TCP$.$

There must be extensible and open APIs: REST, RESTCONF, NETCONF, and gRPC$.$

They must be flexible and support different types of encoding formats, such as XML and JSON.

They must be proprietary and under strict license agreements.