code: def _set_gateway_uses(
      args: "argparse.Namespace", gateway_load_balancer: bool = False
  ):
      if not args.uses:
          if len(args.protocol) == 1 and len(args.port) == 1:
              args.uses = _get_gateway_class(args.protocol[0]).__name__
          elif len(args.protocol) > len(args.port):
              if len(args.port) == 1:
                  from jina.helper import random_port
  
                  args.port = []
                  for _ in range(len(args.protocol)):
                      args.port.append(random_port())
              else:
                  raise ValueError(
                      "You need to specify as much protocols as ports if you want to use a jina built-in gateway"
                  )
          if len(args.protocol) > 1:
              from jina.serve.runtimes.gateway.composite import (
                  CompositeGateway,
              )
  
              args.uses = CompositeGateway.__name__
          elif gateway_load_balancer:
              from jina.serve.runtimes.gateway.load_balancer import (
                  LoadBalancerGateway,
              )
  
              args.uses = LoadBalancerGateway.__name__
  
imports: import argparse
  import os
  from typing import Tuple
  from jina.enums import ProtocolType
  from jina.logging.predefined import default_logger
label_desc: Use image node_id 3 for calling a global function with example usage: _set_gateway_uses(args, gateway_load_balancer) without return types