public Builder setPageToken(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      pageToken_ = value;
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
<pre>
Optional. A token identifying a page of results the server should return.
Typically, this is the value of [ListGlossariesResponse.next_page_token]
returned from the previous call to `ListGlossaries` method.
The first page is returned if `page_token`is empty or missing.
</pre>

<code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>

@param value The pageToken to set.
@return This builder for chaining.
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/ListGlossariesRequest.java