class RuboCop::Cop::ThreadSafety::DirChdir

def on_send(node)
  return unless chdir?(node)
  return if allow_call_with_block? && (node.block_argument? || node.parent&.block_type?)
  add_offense(
    node,
    message: format(
      MESSAGE,
      module: node.receiver.short_name,
      method: node.method_name,
      dot: node.loc.dot.source
    )
  )
end