api: clarify that Env var without `=` is removed from the environment Upstream-commit: 9f9cc221bdb0a919d6ed28bdfaffa9ae2fe3a5fd Component: engine
api: clarify that Env var without `=` is removed from the environment Upstream-commit: 9f9cc221bdb0a919d6ed28bdfaffa9ae2fe3a5fd Component: engine