*
     * @param thumbnailId the unique identifier for the thumbnail
     * @param outputFile the file where the generated thumbnail will be saved
     * @return true if the thumbnail was successfully generated, false otherwise
     */
    boolean generate(String thumbnailId, File outputFile);

    /**
     * Checks if this generator can handle the given document.

) {
  private val testResources = projectRoot / "okhttp/src/jvmTest/resources"
  private val publicSuffixListDotDat = testResources / "okhttp3/internal/publicsuffix/public_suffix_list.dat"
  private val outputFile = testResources / PUBLIC_SUFFIX_RESOURCE

  val request = Request("https://publicsuffix.org/list/public_suffix_list.dat".toHttpUrl())

  suspend fun import() {
    check(fileSystem.metadata(testResources).isDirectory)

            logger.debug("Processing thumbnail: {}", entity);
        }
        final String generatorName = entity.getGenerator();
        try {
            final File outputFile = new File(baseDir, entity.getPath());
            final File noImageFile = new File(outputFile.getAbsolutePath() + NOIMAGE_FILE_SUFFIX);
            if (!noImageFile.isFile() || systemHelper.getCurrentTimeAsLong() - noImageFile.lastModified() > noImageExpired) {

        @Override
        public String getName() {
            return "testGenerator";
        }

        @Override
        public boolean generate(String thumbnailId, File outputFile) {
            generateCalled = true;
            return generateResult;
        }

        @Override
        public boolean isAvailable() {
            return available;
        }

                  <executable>echo</executable>
                  <arguments>
                    <argument>${javaHome}</argument>
                  </arguments>
                  <outputFile>${project.build.directory}/java_11_home</outputFile>
                </configuration>
              </execution>
            </executions>
          </plugin>
        </plugins>
      </build>
    </profile>
  </profiles>

                  <executable>echo</executable>
                  <arguments>
                    <argument>${javaHome}</argument>
                  </arguments>
                  <outputFile>${project.build.directory}/java_11_home</outputFile>
                </configuration>
              </execution>
            </executions>
          </plugin>
        </plugins>
      </build>
    </profile>
  </profiles>

    echo "pdftoppm does not work."
    exit 1
  fi
  convert -thumbnail ${image_size} ${tmp_png_file} "${output_file}"
  rm -f ${tmp_png_prefix}*png
elif [[ x"${cmd_type}" = "ximage" ]] ; then
  check_command convert
  target_file=$(echo "$url" | sed -e "s#^file:/*#/#g")
  convert -thumbnail ${image_size} "${target_file}" "${output_file}"
elif [[ x"${cmd_type}" = "x" ]] ; then
  echo "No filetype."
  exit 1
else