Lamina.Server.ConfigModule.config_change

You're seeing just the function config_change, go back to Lamina.Server.ConfigModule module for more information.
Link to this function

config_change(module, config_key, old_value, new_value)

Specs

config_change(module(), config_key, old_value, new_value) :: :ok | no_return()
when config_key: atom(), old_value: any(), new_value: any()

Call the config_change/3 callback on the configuration module.