code: def __init__(self, warning_time: float, delay: float = 5):
      self.warning_time = warning_time
      self.delay = delay
      self.warned = False
      self.start_time = time.monotonic()
      self.buffer = io.StringIO()
  
imports: import io
  import subprocess
  import time
  from typing import BinaryIO, Optional
  import git
  import giturlparse
  from pydantic import BaseModel, Field
  from typing_extensions import Literal
  from dstack._internal.core.errors import DstackError
  from dstack._internal.core.models.repos.base import BaseRepoInfo, Repo, RepoProtocol
  from dstack._internal.utils.hash import get_sha256, slugify
  from dstack._internal.utils.path import PathLike
  from dstack._internal.utils.ssh import get_host_config
label_desc: Use image node_id 1 to create a new _DiffCollector object  with example: obj = _DiffCollector(warning_time, delay)