- release_tracks: [ALPHA, BETA, GA]

  help_text:
    brief: Remove IAM policy binding of a Cloud Spanner backup schedule.
    description: |
      Remove an IAM policy binding of a Cloud Spanner backup schedule. One binding
      consists of a member, a role, and an optional condition.

    examples: |
      To remove an IAM policy binding for the role of 'roles/editor' for the user
      'test-user@gmail.com', run:

        $ {command} backup-schedule-id \
            --instance=instance-id \
            --database=database-id \
            --member='user:test-user@gmail.com' \
            --role='roles/editor'

      To remove an IAM policy binding which expires at the end of the year 2025 for the role of
      'roles/editor' and the user 'test-user@gmail.com', run:

        $ {command} backup-schedule-id \
            --instance=instance-id \
            --database=database-id \
            --member='user:test-user@gmail.com' \
            --role='roles/editor' \
            --condition='expression=request.time < timestamp("2026-01-01T00:00:00Z"),title=expires_end_of_2025,description=Expires at midnight on 2025-12-31'

      See https://cloud.google.com/iam/docs/managing-policies for details of
      policy role and member types.

  request:
    collection: spanner.projects.instances.databases.backupSchedules

  arguments:
    resource:
      help_text: The Cloud Spanner backup schedule to remove the IAM policy binding from.
      spec: !REF googlecloudsdk.command_lib.spanner.resources:backupSchedule

  iam:
    enable_condition: true
    policy_version: 3
    get_iam_policy_version_path: getIamPolicyRequest.options.requestedPolicyVersion