public Builder clearPageToken() {
        pageToken_ = getDefaultInstance().getPageToken();
        bitField0_ = (bitField0_ & ~0x00000008);
        onChanged();
        return this;
      }
<pre>
The list page token.
</pre>

<code>string page_token = 4;</code>

@return This builder for chaining.
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferProto.java