In Compositor, is it possible to change multiple node values simultaneously even though there is no input socket? In Compositor, some nodes do not have input socket for that value. Can I change these values at once?

For example, my node group has Distance input socket. I want to use this value to Distance value of Dilate/Erode nodes, but there are no input sockets.
I know it can be done with Python script or with Driver, but I want change it only within Compositor.
Just add a Value node and use it with a driver.
That counts as within compositor, right? :)

Add a Value node
In value field RMB &gt; Copy as New Driver
In Distance field RMB &gt; Paste driver