code: def _autotvm_silencer():
      """A context manager that silences autotvm warnings."""
      from tvm import autotvm  # pylint: disable=import-outside-toplevel
  
      silent = autotvm.GLOBAL_SCOPE.silent
      autotvm.GLOBAL_SCOPE.silent = True
      try:
          yield
      finally:
          autotvm.GLOBAL_SCOPE.silent = silent
  
imports: from contextlib import contextmanager
  from types import MappingProxyType
  from typing import TYPE_CHECKING, Any, Dict, List, Mapping, Optional, Sequence, Set, Tuple, Union
  from typing_extensions import Literal
  import numpy
  from tvm import nd
  from tvm._ffi import get_global_func
  from tvm.ir import IRModule, transform
  from tvm.ir.instrument import PassInstrument
  from tvm.runtime import NDArray
  from tvm.target import Target
  from .builder import Builder
  from .cost_model import CostModel
  from .database import Database
  from .extracted_task import ExtractedTask
  from .logging import get_loggers_from_work_dir
  from .measure_callback import MeasureCallback
  from .profiler import Profiler
  from .runner import Runner
  from .search_strategy import SearchStrategy
  from .space_generator import SpaceGenerator
  from .task_scheduler import TaskScheduler
  from .tune import tune_tasks
  from .tune_context import TuneContext
  from .utils import fork_seed
label_desc: Use image node_id 1 for calling a global function with example usage: _autotvm_silencer() without return types