text: # -*- coding: utf-8 -*- #
  # Copyright 2016 Google LLC. All Rights Reserved.
  #
  # 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
  #
  #    http://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.
  """Flags and helpers for the compute target-instances commands."""
  
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import unicode_literals
  
  from googlecloudsdk.command_lib.compute import completers as compute_completers
  from googlecloudsdk.command_lib.compute import flags as compute_flags
  
  DEFAULT_LIST_FORMAT = """\
      table(
        name,
        zone.basename(),
        instance.basename(),
        natPolicy
      )"""
  
  
  class TargetInstancesCompleter(compute_completers.ListCommandCompleter):
  
    def __init__(self, **kwargs):
      super(TargetInstancesCompleter, self).__init__(
          collection='compute.targetInstances',
          list_command='compute target-instances list --uri',
          **kwargs)
  
  
  def TargetInstanceArgument(required=True, plural=False):
    return compute_flags.ResourceArgument(
        resource_name='target instance',
        completer=TargetInstancesCompleter,
        plural=plural,
        required=required,
        zonal_collection='compute.targetInstances',
        zone_explanation=compute_flags.ZONE_PROPERTY_EXPLANATION)
  