old_contents: # stdlib
  from typing import List
  
  # syft absolute
  from syft.core.node.common.node_service.user_manager.user_manager_service import (
      CreateUserMessage,
  )
  from syft.core.node.common.node_service.user_manager.user_manager_service import (
      DeleteUserMessage,
  )
  from syft.core.node.common.node_service.user_manager.user_manager_service import (
      GetUserMessage,
  )
  from syft.core.node.common.node_service.user_manager.user_manager_service import (
      GetUsersMessage,
  )
  from syft.core.node.common.node_service.user_manager.user_manager_service import (
      UpdateUserMessage,
  )
  
  # grid absolute
  from app.models.messages import GridToSyftMessage
  from app.users.models import User
  from app.users.models import UserCreate
  from app.users.models import UserPrivate
  from app.users.models import UserUpdate
  
  
  def create_user(new_user: UserCreate, current_user: UserPrivate) -> str:
      message = GridToSyftMessage(
          signing_key=current_user.get_signing_key(),
          syft_message_type=CreateUserMessage,
      )
      response = message.send_with_reply(**dict(new_user))
      return response.resp_msg
  
  
  def get_all_users(current_user: UserPrivate) -> List[User]:
      message = GridToSyftMessage(
          signing_key=current_user.get_signing_key(),
          syft_message_type=GetUsersMessage,
      )
      response = message.send_with_reply()
      return [user.upcast() for user in response.content]
  
  
  def get_user(user_id: int, current_user: UserPrivate) -> User:
      message = GridToSyftMessage(
          signing_key=current_user.get_signing_key(), syft_message_type=GetUserMessage
      )
      response = message.send_with_reply(user_id=user_id)
      return response.content.upcast()
  
  
  def update_user(
      user_id: int, current_user: UserPrivate, updated_user: UserUpdate
  ) -> str:
      message = GridToSyftMessage(
          signing_key=current_user.get_signing_key(),
          syft_message_type=UpdateUserMessage,
      )
      response = message.send_with_reply(user_id=user_id, **dict(updated_user))
      return response.resp_msg
  
  
  def delete_user(user_id: int, current_user: UserPrivate) -> None:
      message = GridToSyftMessage(
          signing_key=current_user.get_signing_key(),
          syft_message_type=DeleteUserMessage,
      )
      message.send_with_reply(user_id=user_id)
  
new_contents: # stdlib
  from typing import List
  
  # syft absolute
  from syft.core.node.common.node_service.user_manager.user_manager_service import (
      CreateUserMessage,
  )
  from syft.core.node.common.node_service.user_manager.user_manager_service import (
      DeleteUserMessage,
  )
  from syft.core.node.common.node_service.user_manager.user_manager_service import (
      GetUserMessage,
  )
  from syft.core.node.common.node_service.user_manager.user_manager_service import (
      GetUsersMessage,
  )
  from syft.core.node.common.node_service.user_manager.user_manager_service import (
      UpdateUserMessage,
  )
  
  # grid absolute
  from app.utils import send_message_with_reply
  from app.users.models import User
  from app.users.models import UserCreate
  from app.users.models import UserPrivate
  from app.users.models import UserUpdate
  
  
  def create_user(new_user: UserCreate, current_user: UserPrivate) -> str:
      reply = send_message_with_reply(
          signing_key=current_user.get_signing_key(),
          message_type=CreateUserMessage,
          **dict(new_user)
      )
      return reply.resp_msg
  
  
  def get_all_users(current_user: UserPrivate) -> List[User]:
      reply = send_message_with_reply(
          signing_key=current_user.get_signing_key(), message_type=GetUsersMessage
      )
      return [user.upcast() for user in reply.content]
  
  
  def get_user(user_id: int, current_user: UserPrivate) -> User:
      reply = send_message_with_reply(
          signing_key=current_user.get_signing_key(),
          message_type=GetUserMessage,
          user_id=user_id,
      )
      return reply.content.upcast()
  
  
  def update_user(
      user_id: int, current_user: UserPrivate, updated_user: UserUpdate
  ) -> str:
      reply = send_message_with_reply(
          signing_key=current_user.get_signing_key(),
          message_type=UpdateUserMessage,
          user_id=user_id,
          **dict(updated_user)
      )
      return reply.resp_msg
  
  
  def delete_user(user_id: int, current_user: UserPrivate) -> str:
      reply = send_message_with_reply(
          signing_key=current_user.get_signing_key(),
          message_type=DeleteUserMessage,
          user_id=user_id,
      )
      return reply.message
  
subject: use utils instead of GridToSyftMessage