class_docstr: Serve metadata with system-level info and details on all applications deployed to
  the Ray cluster.
  
  This is the response JSON schema for v2 REST API `GET /api/serve/applications`.
class_docstr_tok: ["Serve","metadata","with","system-level","info","and","details","on","all","applications","deployed","to","the","Ray","cluster",".","This","is","the","response","JSON","schema","for","v2","REST","API","`","GET","\/api\/serve\/applications","`","."]
docstr: Empty Serve instance details dictionary.
  
  Represents no Serve instance running on the cluster.
docstr_tok: ["Empty","Serve","instance","details","dictionary",".","Represents","no","Serve","instance","running","on","the","cluster","."]
code: def get_empty_schema_dict() -> Dict:
      """Empty Serve instance details dictionary.
  
      Represents no Serve instance running on the cluster.
      """
  
      return {
          "deploy_mode": "MULTI_APP",
          "controller_info": {},
          "proxies": {},
          "applications": {},
          "target_capacity": None,
      }
  
imports: import logging
  from collections import Counter
  from dataclasses import dataclass, field
  from enum import Enum
  from typing import Any, Dict, List, Optional, Set, Union
  from zlib import crc32
  from ray._private.pydantic_compat import BaseModel, Extra, Field, root_validator, validator
  from ray._private.runtime_env.packaging import parse_uri
  from ray.serve._private.common import ApplicationStatus, DeploymentStatus, DeploymentStatusTrigger, ProxyStatus, ReplicaState, ServeDeployMode
  from ray.serve._private.constants import DEFAULT_GRPC_PORT, DEFAULT_UVICORN_KEEP_ALIVE_TIMEOUT_S, SERVE_DEFAULT_APP_NAME
  from ray.serve._private.deployment_info import DeploymentInfo
  from ray.serve._private.utils import DEFAULT
  from ray.serve.config import ProxyLocation
  from ray.util.annotations import PublicAPI
label_desc: Use image node_id 1 for calling the ServeInstanceDetails obj's underlying member method code with example usage: obj.get_empty_schema_dict() and returns: dict