private void buildPartial0(
          com.google.storagetransfer.v1.proto.TransferTypes.S3CompatibleMetadata result) {
        int from_bitField0_ = bitField0_;
        if (((from_bitField0_ & 0x00000001) != 0)) {
          result.authMethod_ = authMethod_;
        }
        if (((from_bitField0_ & 0x00000002) != 0)) {
          result.requestModel_ = requestModel_;
        }
        if (((from_bitField0_ & 0x00000004) != 0)) {
          result.protocol_ = protocol_;
        }
        if (((from_bitField0_ & 0x00000008) != 0)) {
          result.listApi_ = listApi_;
        }
      }
<pre>
S3CompatibleMetadata contains the metadata fields that apply to the basic
types of S3-compatible data providers.
</pre>

Protobuf type {@code google.storagetransfer.v1.S3CompatibleMetadata}
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java