class NoOpErrorCollector : public protobuf::io::ErrorCollector {
 public:
  void AddError(int line, int column, const std::string& message) override {}
};
}  // namespace

Status ConsumePrefix(absl::string_view str, absl::string_view prefix,
                     absl::string_view* output) {
  if (absl::StartsWith(str, prefix)) {
    *output = str.substr(prefix.size());
    return absl::OkStatus();
  }

#include "tensorflow/core/platform/protobuf.h"

namespace tensorflow {

// Sets output to the given input with `prefix` stripped, or returns an error if
// the prefix doesn't exist.
Status ConsumePrefix(absl::string_view str, absl::string_view prefix,
                     absl::string_view* output);

// Strips `prefix_to_strip` from `text_proto`, parses, and returns the parsed
// proto.

  return absl::StrCat(kDataTypePrefix, DataType_Name(dtype));
}

Status DemangleDataType(absl::string_view str, DataType* proto) {
  absl::string_view pbtxt;
  TF_RETURN_IF_ERROR(ConsumePrefix(str, kDataTypePrefix, &pbtxt));
  if (!DataType_Parse(string(pbtxt), proto)) {
    return errors::FailedPrecondition(
        "Could not parse TFDataType mangled proto");
  }
  return absl::OkStatus();
}