Imports github.com/apache/beam/sdks/go/pkg/beam/core/graph/coder github.com/apache/beam/sdks/go/pkg/beam/core/runtime github.com/apache/beam/sdks/go/pkg/beam/core/typex github.com/apache/beam/sdks/go/pkg/beam/core/util/reflectx Standard library imports encoding/binary fmt math math/bits reflect