response: Response,
  ) {
  }

  /**
   * Invoked when a new event has been sent to the client.
   *
   * @param id The `id` line of the event, might be null.
   * @param type The `event` line of the event, might be null.
   * @param data The `data` line of the event.
   */
  open fun onEvent(
    eventSource: EventSource,
    id: String?,
    type: String?,
    data: String,
  ) {
  }

  /**

          source.readData(data)
        }

        in 5..7 -> {
          data.writeByte('\n'.code) // 'data' on a line of its own.
        }

        in 8..9 -> {
          id = source.readUtf8LineStrict().takeIf { it.isNotEmpty() }
        }

        in 10..12 -> {
          id = null // 'id' on a line of its own.
        }

        in 13..14 -> {
          type = source.readUtf8LineStrict().takeIf { it.isNotEmpty() }

								<resource>
									<directory>${project.basedir}</directory>
									<filtering>true</filtering>
									<includes>
										<include>bin/fess</include>
										<include>bin/fess.in.sh</include>
										<include>bin/generate-thumbnail</include>
										<include>bin/plugin.xml</include>
									</includes>
								</resource>
							</resources>
						</configuration>
					</execution>
					<execution>

   * implementation unless some of its bounds have changed in resolution. This avoids creating
   * unequal TypeVariable implementation unnecessarily. When the bounds do change, however, it's
   * fine for the synthetic TypeVariable to be unequal to any native TypeVariable anyway.
   */
  @SuppressWarnings("UnusedTypeParameter") // It's used reflectively.
  static final class NativeTypeVariableEquals<X> {

            final String userIndex = fessConfig.getIndexUserIndex() + ".user";
            Arrays.stream(FileUtil.readUTF8(dataPath).split("\n"))
                    .map(line -> line//
                            .replace("\"_index\":\"fess_config.", "\"_index\":\"" + fessConfig.getIndexConfigIndex() + ".")//