core/homeassistant/components/cync/config.yaml

config_entry:
  versions:
    - version:
        major: 1
        minor: 1
      data:
        fields:
          authorize_string:
            required: true
            selector:
              text: {}
          expires_at:
            required: true
            selector:
              text: {}
          refresh_token:
            required: true
            selector:
              text: {}
          user_id:
            required: true
            selector:
              text: {}
      options:
        fields: {}
  subentries: {}