public Builder setStacktraceBytes(
            com.google.protobuf.ByteString value) {
          if (value == null) { throw new NullPointerException(); }
          stacktrace_ = value;
          bitField0_ |= 0x00000004;
          onChanged();
          return this;
        }
public Builder setStacktraceBytes(
            com.google.protobuf.ByteString value)