text: # Copyright 2018 The Cirq Developers
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     https://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from cirq.value.angle import (
      canonicalize_half_turns,
      chosen_angle_to_canonical_half_turns,
      chosen_angle_to_half_turns,
  )
  from cirq.value.duration import (
      Duration,
  )
  from cirq.value.linear_dict import (
      LinearDict,
      Scalar,
  )
  from cirq.value.probability import (
      validate_probability,
  )
  from cirq.value.periodic_value import (
      PeriodicValue,
  )
  from cirq.value.timestamp import (
      Timestamp,
  )
  from cirq.value.value_equality import (
      value_equality,
  )
  