Seeking Plugin Name

I'm looking for a plugin's name in order to install it, I'll give you a quick description of what it does and a screenshot of it in action.

Basically it tells you, when writing arguments in-between a function's parenthesis , the name of the argument as it has been defined. For example if I define a function like so:

public String stuff(int a, long b);

When I use the function "stuff" I'd get:

String test = stuff(a: 45, b: 67L) and the "a:" and "b:" are written as a sort of overlay a bit like tooltips.

Picture example, we can see the hint "first" added by the plugin: