JavaSteam/in.dragonbra.javasteam.steam.steamclient.configuration/SteamConfiguration/connectionFactory

connectionFactory

val connectionFactory: IConnectionFactory

Builds the underlying in.dragonbra.javasteam.networking.steam3.Connection used for connecting to stream.

steamClient = new SteamClient(SteamConfiguration.create(builder -> {
 IConnectionFactory connectionFactory = (configuration, protocol) -> {
     return null;//custom connection or null to resolve fallback
 };
 builder.withConnectionFactory(
     connectionFactory.thenResolve(IConnectionFactory.DEFAULT));
}));