private void buildPartial0(
          com.google.storagetransfer.v1.proto.TransferTypes.PosixFilesystem result) {
        int from_bitField0_ = bitField0_;
        if (((from_bitField0_ & 0x00000001) != 0)) {
          result.rootDirectory_ = rootDirectory_;
        }
      }
<pre>
A POSIX filesystem resource.
</pre>

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