mono-gac - 5.18.0.240+dfsg-3+deb10u1 main

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 pulls in the default GAC (Global Assembly Cache) tool (gacutil)
used by Mono to store shared CIL (Common Intermediate Language) libraries.