field.storage_settings.{{ plugin_id }}:
  type: mapping
  label: {{ plugin_label }} storage settings
  mapping:
    foo:
      type: string
      label: Foo

field.field_settings.{{ plugin_id }}:
  type: mapping
  label: {{ plugin_label }} field settings
  mapping:
    bar:
      type: string
      label: Bar

field.value.{{ plugin_id }}:
  type: mapping
  label: Default value
  mapping:
    value:
      type: label
      label: Value