argument_specs:
  main:
    options:
      postgresql__dbs:
        type: list
        elements: dict
        required: false
        default: [ ]
        options:
          name:
            type: str
            required: true
          owner:
            type: str
            required: true
      postgresql__users:
        type: list
        elements: dict
        required: false
        default: [ ]
        options:
          name:
            type: str
            required: true
          password:
            type: str
            required: false
            default: ""