def set_visible_to_all_users(jobflow_ids, visible=true)
      params = {
        :operation => 'SetVisibleToAllUsers',
        :visible_to_all_users => visible,
        :job_flow_ids => jobflow_ids
      }
      aws_result = @aws_request.submit(params)
      yield aws_result if block_given?
    end
def set_visible_to_all_users(jobflow_ids, visible=true)
      params = {
        :operation => 'SetVisibleToAllUsers',
        :visible_to_all_users => visible,
        :job_flow_ids => jobflow_ids
      }
      aws_result = @aws_request.submit(params)
      yield aws_result if block_given?
    end
Whether or not all IAM users in this account can access the job flows.

 Takes an [] of job flow IDs.

   ["j-1B4D1XP0C0A35", "j-1YG2MYL0HVYS5", ...]

 http://docs.aws.amazon.com/ElasticMapReduce/latest/API/API_SetVisibleToAllUsers.html