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

    size = 0;
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(parent_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, parent_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(filter_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, filter_);
    }
    if (pageSize_ != 0) {
      size += com.google.protobuf.CodedOutputStream.computeInt32Size(3, pageSize_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(pageToken_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, pageToken_);
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
Optional. A token identifying a page of results for the server to return.
Typically obtained from next_page_token field in the response of a
ListExamples call.
</pre>

<code>string page_token = 4 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The bytes for pageToken.
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/ListExamplesRequest.java