Using statements and what to use?

Gyazo - 4162209b57c8b1e4a8e8890727dde233.png

A bit confused on what using statements should be used if i wanted to create a plugin.

 

Where can i find specific examples?

 

lmao didnt realize your post was a link

 

Yah, that's kind of tproblem overe here.
@Wulf, can you change site css a bit? So the inks would be automaticly highlited? Cos I'm tired of manually cnahge the color of it every time =D
No idea if it's even possible - i'm not a web dev =3