github.com/aws/smithy-go/transport/http/internal/io.safeWriteToReadCloser.WriteTo (method, view implemented interface methods)

one use

	github.com/aws/smithy-go/transport/http/internal/io (current package)
		safe.go#L29: func (r *safeWriteToReadCloser) WriteTo(w io.Writer) (int64, error) {