charts-8.x-4.x-dev/config/schema/charts.settings.schema.yml

charts.settings:
  type: config_object
  label: 'Charts settings'
  mapping:
    charts_default_settings:
      type: charts_config
      label: 'Charts default settings'
    advanced:
      type: mapping
      label: Advanced
      mapping:
        debug:
          type: boolean
          label: 'Enable Charts Debug'
        requirements:
          type: mapping
          label: Requirements
          mapping:
            cdn:
              type: boolean
              label: 'Check if CDN is being used for external libraries'
    dependencies:
      type: config_dependencies
      label: 'Dependencies'