Find out whether system features need to be upgraded or not https://www.elastic.co/guide/en/elasticsearch/reference/current/migration-api-feature-upgrade.html.

NewGetFeatureUpgradeStatusFunc returns a new instance of GetFeatureUpgradeStatus with the provided transport.

NewResponse returns a Response.

ErrBuildPath is returned in case of missing parameters within the build of the request.

Response holds the response body struct for the package getfeatureupgradestatus https://github.com/elastic/elasticsearch-specification/blob/2f823ff6fcaa7f3f0f9b990dc90512d8901e5d64/specification/migration/get_feature_upgrade_status/GetFeatureUpgradeStatusResponse.ts#L23-L28.

NewGetFeatureUpgradeStatus type alias for index.