code: def enqueue_operation(self, op: "Operation", *, wait: bool) -> None:
      warn_once(
          "Client in read-only mode, nothing will be saved to server.",
          exception=NeptuneWarning,
      )
  
imports: from typing import TYPE_CHECKING
  from neptune.common.warnings import NeptuneWarning, warn_once
  from neptune.internal.operation_processors.operation_processor import OperationProcessor
label_desc: Use image node_id 1 for calling the ReadOnlyOperationProcessor obj's underlying member method code with example usage: obj.enqueue_operation(op) without return types