Binary package “mono-devel” in ubuntu xenial

Mono development tools

 Mono is a platform for running and developing applications based on the
 ECMA/ISO Standards. Mono is an open source effort led by Xamarin.
 Mono provides a complete CLR (Common Language Runtime) including compiler and
 runtime, which can produce and execute CIL (Common Intermediate Language)
 bytecode (aka assemblies), and a class library.
 This package contains various development tools and pulls in the default
 development stack for Mono (which is 4.0 currently).