VintageNet.Interface.Classification.default_prioritization

You're seeing just the function default_prioritization, go back to VintageNet.Interface.Classification module for more information.
Link to this function

default_prioritization()

View Source

Specs

default_prioritization() :: [prioritization()]

Return a reasonable default for prioritizing interfaces

The logic is that Internet-connected interfaces are prioritized first and after than Ethernet is preferred over WiFi and WiFi over LTE.