elasticsearch/docs/reference/migration/apis/shared-migration-apis-tip.asciidoc

TIP: These APIs are designed for indirect use by {kib}'s **Upgrade Assistant**.
We strongly recommend you use the **Upgrade Assistant** to upgrade from
{prev-major-last} to {version}. For upgrade instructions, refer to
{stack-ref}/upgrading-elastic-stack.html[Upgrading to Elastic {version}].