This functionality is in beta and is subject to change. The design and code is less mature than official GA features and is being provided as-is with no warranties. Beta features are not subject to the support SLA of official GA features.
This is the
stats metricset of the Kibana module. This stats endpoint is available in 6.4 by default.
The intention of the Kibana module is to have a minimal data set that works across Kibana versions.