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

    size = 0;
    for (int i = 0; i < crawledUrls_.size(); i++) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, crawledUrls_.get(i));
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(nextPageToken_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, nextPageToken_);
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
Token to retrieve the next page of results, or empty if there are no
more results in the list.
</pre>

<code>string next_page_token = 2;</code>

@return The bytes for nextPageToken.
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1alpha/src/main/java/com/google/cloud/websecurityscanner/v1alpha/ListCrawledUrlsResponse.java