public static com.google.storagetransfer.v1.proto.TransferProto.ListAgentPoolsResponse
        getDefaultInstance() {
      return DEFAULT_INSTANCE;
    }
<pre>
The list next page token.
</pre>

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

@param value The bytes for nextPageToken to set.
@return This builder for chaining.
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferProto.java