@java.lang.Override
    public int getSerializedSize() {
      int size = memoizedSize;
      if (size != -1) return size;

      size = 0;
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(bucket_)) {
        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, bucket_);
      }
      if (objectConfigurationCase_ == 2) {
        size +=
            com.google.protobuf.CodedOutputStream.computeMessageSize(
                2, (com.google.cloud.storagebatchoperations.v1.PrefixList) objectConfiguration_);
      }
      if (objectConfigurationCase_ == 3) {
        size +=
            com.google.protobuf.CodedOutputStream.computeMessageSize(
                3, (com.google.cloud.storagebatchoperations.v1.Manifest) objectConfiguration_);
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSize = size;
      return size;
    }
<pre>
Specifies objects in a manifest file.
</pre>

<code>.google.cloud.storagebatchoperations.v1.Manifest manifest = 3;</code>
java-storagebatchoperations/proto-google-cloud-storagebatchoperations-v1/src/main/java/com/google/cloud/storagebatchoperations/v1/BucketList.java