in log4j-server/src/main/java/org/apache/logging/log4j/server/TcpSocketServer.java [126:131]
public static TcpSocketServer<InputStream> createJsonSocketServer(final int port) throws IOException {
LOGGER.traceEntry(null, port);
final TcpSocketServer<InputStream> socketServer =
new TcpSocketServer<>(port, null, new JsonInputStreamLogEventBridge());
return LOGGER.traceExit(socketServer);
}