Imports github.com/golang/protobuf/proto github.com/golang/protobuf/ptypes/struct google.golang.org/grpc/codes google.golang.org/grpc/status github.com/golang/protobuf/ptypes/timestamp google.golang.org/grpc Imports in module “github.com/apache/beam” github.com/apache/beam/sdks/go/pkg/beam/model/pipeline_v1 Standard library imports context fmt math