How to use

copyFromUtf8

method

in

org.apache.beam.vendor.grpc.v1_13_1.com.google.protobuf.ByteString

private static Environment createEmbeddedEnvironment(String config) {
 return Environment.newBuilder()
   .setUrn(ENVIRONMENT_EMBEDDED)
   .setPayload(ByteString.copyFromUtf8(MoreObjects.firstNonNull(config, "")))
   .build();
}