type: dictionary
additionalProperties: false
properties:
  name:
    type: ["string", "null"]
  short_name:
    type: ["string", "null"]
  lang:
    type: ["string", "null"]
  theme_color:
    type: ["string", "null"]
  background_color:
    type: ["string", "null"]
  display:
    enum: ["browser", "standalone", "minimal-ui", "fullscreen"]
  orientation:
    enum: ["landscape", "portrait", "any"]
  scope:
    type: ["string"]
  start_url:
    type: ["string", "dictionary"]
    properties:
      action:
        type: ["string"]
      controller:
        type: ["string"]
      package:
        type: ["string"]
      subPackage:
        type: ["string"]
      arguments:
        type: ["string"]
      format:
        type: ["string"]
  icons:
    type: ["array"]
    required: true
    items:
      type: "dictionary"
      additionalProperties: false
      required: true
      minItems: 1
      properties:
        src:
          type: ["string"]
        sizes:
          type: ["string"]
        type:
          type: ["string"]