Some requests will have a cached response. When this cached response isn’t fresh, OkHttp can do a _conditional GET_ to download an updated response if it’s newer than what’s cached. This requires headers like `If-Modified-Since` and `If-None-Match` to be added.

## Rewriting Responses

                                        <la:link href="../downloadpage/${f:u(dictId)}"
                                                 styleClass="btn btn-primary btn-xs">
                                            <i class="fa fa-download" aria-hidden="true"></i>
                                            <la:message key="labels.dict_mapping_link_download"/>
                                        </la:link>

                                        <la:link href="../downloadpage/${f:u(dictId)}"
                                                 styleClass="btn btn-primary btn-xs">
                                            <i class="fa fa-download" aria-hidden="true"></i>
                                            <la:message key="labels.dict_synonym_link_download"/>
                                        </la:link>

                                        <la:link href="../downloadpage/${f:u(dictId)}"
                                                 styleClass="btn btn-primary btn-xs">
                                            <i class="fa fa-download" aria-hidden="true"></i>
                                            <la:message key="labels.dict_synonym_link_download"/>
                                        </la:link>

                                        <la:link href="../downloadpage"
                                                 styleClass="btn btn-primary btn-xs">
                                            <i class="fa fa-download" aria-hidden="true"></i>
                                            <la:message key="labels.elevate_word_link_download"/>
                                        </la:link>

                                    <la:link href="downloadpage/${f:u(dictId)}"
                                             styleClass="btn btn-primary btn-xs">
                                        <i class="fa fa-download" aria-hidden="true"></i>
                                        <la:message key="labels.dict_stemmeroverride_link_download"/>
                                    </la:link>

                                        <la:link href="../downloadpage/${f:u(dictId)}"
                                                 styleClass="btn btn-primary btn-xs">
                                            <i class="fa fa-download" aria-hidden="true"></i>
                                            <la:message key="labels.dict_kuromoji_link_download"/>
                                        </la:link>

    /** The key of the message: Failed to download a bad word file. */
    public static final String ERRORS_failed_to_download_badword_file = "{errors.failed_to_download_badword_file}";

    /** The key of the message: Failed to upload a bad word file. */
    public static final String ERRORS_failed_to_upload_badword_file = "{errors.failed_to_upload_badword_file}";

    /** The key of the message: Failed to download a mapping file. */

                                    <la:link href="downloadpage/${f:u(dictId)}"
                                             styleClass="btn btn-primary btn-xs">
                                        <i class="fa fa-download" aria-hidden="true"></i>
                                        <la:message key="labels.dict_stopwords_link_download"/>
                                    </la:link>

                                    <la:link href="downloadpage/${f:u(dictId)}"
                                             styleClass="btn btn-primary btn-xs">
                                        <i class="fa fa-download" aria-hidden="true"></i>
                                        <la:message key="labels.dict_protwords_link_download"/>
                                    </la:link>