private void ensureErrorBreakdownsIsMutable() {
        if (!((bitField0_ & 0x00000200) != 0)) {
          errorBreakdowns_ =
              new java.util.ArrayList<
                  com.google.storagetransfer.v1.proto.TransferTypes.ErrorSummary>(errorBreakdowns_);
          bitField0_ |= 0x00000200;
        }
      }
<pre>
Information about the progress of the transfer operation.
</pre>

<code>.google.storagetransfer.v1.TransferCounters counters = 7;</code>
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java