class_docstr: Maintains a list of connections to replicas and uses round robin for selecting a replica
docstr: Checks if this contains any connection
  :returns: True if any connection is managed, False otherwise
docstr_tok: ["Checks","if","this","contains","any","connection",":","returns",":","True","if","any","connection","is","managed",",","False","otherwise"]
code: def has_connections(self) -> bool:
      """
      Checks if this contains any connection
      :returns: True if any connection is managed, False otherwise
      """
      return len(self._address_to_connection_idx) > 0
  
file_path: jina/jina/serve/networking/replica_list.py
imports: from typing import TYPE_CHECKING, Any, Dict, Optional, Sequence, Union
  from urllib.parse import urlparse
  from grpc.aio import ClientInterceptor
  from jina.excepts import EstablishGrpcConnectionError
  from jina.serve.networking.connection_stub import create_async_channel_stub
  from jina.serve.networking.instrumentation import _NetworkingHistograms, _NetworkingMetrics
  from jina.serve.networking.utils import TLS_PROTOCOL_SCHEMES
label_desc: Use image node_id 6 for calling the _ReplicaList obj's underlying member method code with example usage: obj.has_connections() and returns: unknown