Imports github.com/apache/beam/sdks/go/pkg/beam/core/runtime github.com/apache/beam/sdks/go/pkg/beam/core/util/reflectx github.com/apache/beam/sdks/go/pkg/beam/internal/errors github.com/apache/beam/sdks/go/pkg/beam/model/pipeline_v1 Standard library imports fmt reflect strconv strings sync/atomic