toolshed-8.x-1.x-dev/modules/toolshed_search/config/schema/toolshed_search.connector.schema.yml

plugin.plugin_configuration.search_api_solr_connector.toolshed_settings:
  type: plugin.plugin_configuration.search_api_solr_connector.standard
  label: 'Search API Solr connector host from definitions in Drupal settings.'
  mapping:
    solr_instance:
      type: string
      label: 'The key of the Solr host setup from the settings file'