jfu-1.0.x-dev/config/schema/jfu.schema.yml

field.widget.settings.json_component_widget:
  type: mapping
  mapping:
    default_components:
      type: sequence
      sequence:
        type: string

field.formatter.settings.json_component_formatter:
  type: mapping
  mapping:
    default_components:
      type: sequence
      sequence:
        type: string