code: def client_with_key(self, credentials: SyftSigningKey) -> SyftClient:
      if len(self.node_routes) < 1:
          raise Exception(f"No routes to peer: {self}")
      # select the latest added route
      final_route = self.pick_highest_priority_route()
      connection = route_to_connection(route=final_route)
      client_type = connection.get_client_type()
      if isinstance(client_type, SyftError):
          return client_type
  
      return client_type(connection=connection, credentials=credentials)
  
imports: from typing import List
  from typing import Optional
  from typing import Tuple
  from typing_extensions import Self
  from ...abstract_node import NodeType
  from ...client.client import SyftClient
  from ...node.credentials import SyftSigningKey
  from ...node.credentials import SyftVerifyKey
  from ...serde.serializable import serializable
  from ...service.response import SyftError
  from ...types.syft_object import SYFT_OBJECT_VERSION_1
  from ...types.syft_object import SyftObject
  from ...types.uid import UID
  from ..context import NodeServiceContext
  from ..metadata.node_metadata import NodeMetadataV3
  from .routes import HTTPNodeRoute
  from .routes import NodeRoute
  from .routes import NodeRouteType
  from .routes import connection_to_route
  from .routes import route_to_connection
label_desc: Use image node_id 6 for calling the NodePeer obj's underlying member method code with example usage: obj.client_with_key(credentials) and returns: client_type, client_type