Imports
- github.com/golang/protobuf/proto
- github.com/apache/beam/sdks/go/pkg/beam/core/util/protox
- github.com/apache/beam/sdks/go/pkg/beam/core/typex
- google.golang.org/genproto/googleapis/pubsub/v1
- github.com/apache/beam/sdks/go/pkg/beam
- github.com/apache/beam/sdks/go/pkg/beam/util/pubsubx
- github.com/apache/beam/sdks/go/pkg/beam/core/util/reflectx
- github.com/apache/beam/sdks/go/pkg/beam/io/pubsubio/v1