public com.google.genomics.v1.ImportReadGroupSetsRequest buildPartial() {
   com.google.genomics.v1.ImportReadGroupSetsRequest result =
       new com.google.genomics.v1.ImportReadGroupSetsRequest(this);
   int from_bitField0_ = bitField0_;
   int to_bitField0_ = 0;
   result.datasetId_ = datasetId_;
   result.referenceSetId_ = referenceSetId_;
   if (((bitField0_ & 0x00000004) == 0x00000004)) {
     sourceUris_ = sourceUris_.getUnmodifiableView();
     bitField0_ = (bitField0_ & ~0x00000004);
   }
   result.sourceUris_ = sourceUris_;
   result.partitionStrategy_ = partitionStrategy_;
   result.bitField0_ = to_bitField0_;
   onBuilt();
   return result;
 }