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# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import exceptions

# pylint: disable=R0201
class BaseController(object):
  def StartTracing(self, _):
    raise exceptions.NotImplementError

  def StopTracing(self):
    raise exceptions.NotImplementError

  def PullTrace(self):
    raise exceptions.NotImplementError