source = source.replace("${fess.index.initial_password}", ComponentUtil.getComponent(FessLoginAssist.class)
                                        .encryptPassword(fessConfig.getIndexUserInitialPassword()));
                            }
                            final IndexRequestBuilder requestBuilder = client.prepareIndex().setIndex(configIndex)

     * The value is, e.g. admin <br>
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexUserInitialPassword();

    /**
     * Get the value for the key 'index.field.favorite_count'. <br>
     * The value is, e.g. favorite_count <br>
     * comment: field names