type: object
nullable: true
properties:
  alexa:
    $ref: '../properties/number_streams.yaml'
  android:
    $ref: '../properties/number_streams.yaml'
  fire_os:
    $ref: '../properties/number_streams.yaml'
  ios:
    $ref: '../properties/number_streams.yaml'
  mac_osx:
    $ref: '../properties/number_streams.yaml'
  third_party_device_os:
    $ref: '../properties/number_streams.yaml'
  unknown:
    $ref: '../properties/number_streams.yaml'
  windows:
    $ref: '../properties/number_streams.yaml'