Downloading and launching the official clients?

[TheFocusDevHUN]

Can we add functionality in this library collection that can download and launch official Java edition minecraft clients? Something like https://codeberg.org/JakobDev/minecraft-launcher-lib or https://github.com/foxcpp/gomine

[Tnze]

Like a programmable launcher?

[TheFocusDevHUN]

Like a programmable launcher?

Yes, for creating custom minecraft launchers that can download and launch the game with appropriate parameters, similar to the libraries provided above.