code: public EnvironmentConfig setGcFilesDeletionDelay(final int delay) throws InvalidSettingException {
          if (delay < 0) {
              throw new InvalidSettingException("Invalid GC files deletion delay: " + delay);
          }
          return setSetting(GC_FILES_DELETION_DELAY, delay);
      }
docs: Sets the number of milliseconds which deletion of any successfully cleaned {@code Log} file (.xd file)
  is postponed for. Default value is {@code 5000}.
  <p>Mutable at runtime: yes
  
  @param delay number of milliseconds which deletion of any successfully cleaned .xd file is postponed for
  @return this {@code EnvironmentConfig} instance
  @throws InvalidSettingException {@code delay} is less than {@code 0}.