code: static List<String> getExecutableNames() {
          List<String> executableNames = new ArrayList<>();
          if (Platform.getCurrent().is(Platform.WINDOWS)) {
              Collections.addAll(executableNames, ProcessNames.PHANTOMJS.getWindowsImageName(),
                      ProcessNames.CHROMEDRIVER.getWindowsImageName(), ProcessNames.IEDRIVER.getWindowsImageName(),
                      ProcessNames.EDGEDRIVER.getWindowsImageName(), ProcessNames.GECKODRIVER.getWindowsImageName());
          } else {
              Collections.addAll(executableNames, ProcessNames.PHANTOMJS.getUnixImageName(),
                      ProcessNames.CHROMEDRIVER.getUnixImageName(), ProcessNames.GECKODRIVER.getUnixImageName());
          }
          return executableNames;
      }
docs: Utility method to return the executable names for the specified platform.
  
  @return {@link List} of {@link String} containing the executable file names.