com.spotify.scio.transforms
(Since version 0.8.0) renamed to BaseAsyncLookupDoFn. see https://spotify.github.io/scio/migrations/v0.8.0-Migration-Guide.html#async-dofns
(Since version 0.8.0) renamed to BaseAsyncLookupDoFn. see https://spotify.github.io/scio/migrations/v0.8.0-Migration-Guide.html#async-dofns