* the file before writing.
 *
 * @author Colin Decker
 */
@J2ktIncompatible
@GwtIncompatible
public enum FileWriteMode {
  /** Specifies that writes to the opened file should append to the end of the file. */
  APPEND

        if (fessConfig.isCrawlerDocumentFileAppendBodyContent()) {
            buf.append(content);
        }
        if (fessConfig.isCrawlerDocumentFileAppendMetaContent()) {
            if (buf.length() > 0) {
                buf.append(' ');
            }
            buf.append(contentMeta);
        }
        final String fileName = getFileName(url, urlEncoding);

     * @return new referral, combining a chain of referrals
     */
    DfsReferralDataInternal combine(DfsReferralData next);

    /**
     * Append another referral to this referral chain
     *
     * @param dr the referral to append
     */
    void append(DfsReferralDataInternal dr);

        } catch (final Exception e) {
            logger.error("Could not delete expired documents: {}", queryBuilder, e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        return resultBuf.toString();
    }

      buildString {
        if (scheme != null) {
          append(scheme)
          append("://")
        } else {
          append("//")
        }

        if (encodedUsername.isNotEmpty() || encodedPassword.isNotEmpty()) {
          append(encodedUsername)
          if (encodedPassword.isNotEmpty()) {
            append(':')
            append(encodedPassword)
          }
          append('@')

        sb.append('[');
        if (this.unc != null) {
            sb.append("unc=");
            sb.append(this.unc);
        }
        if (this.canon != null) {
            sb.append("canon=");
            sb.append(this.canon);
        }
        if (this.dfsReferral != null) {
            sb.append("dfsReferral=");
            sb.append(this.dfsReferral);
        }

        assertNotNull(referral, "The DfsReferral object should not be null.");
        assertEquals(referral, referral.next, "The 'next' property should point to the object itself.");
    }

    /**
     * Tests the append method of the DfsReferral class.
     * It verifies that a new DfsReferral object can be successfully appended to an existing one,
     * forming a linked list structure.
     */
    @Test
    void testAppend() {

    }

    @Override
    public String toString() {
      StringBuilder builder = new StringBuilder(size() * 3);
      builder.append('[').append(array[start]);
      for (int i = start + 1; i < end; i++) {
        builder.append(", ").append(array[i]);
      }
      return builder.append(']').toString();
    }

    char[] toCharArray() {
      return Arrays.copyOfRange(array, start, end);
    }

    }

    @Override
    public String toString() {
      StringBuilder builder = new StringBuilder(size() * 6);
      builder.append('[').append(array[start]);
      for (int i = start + 1; i < end; i++) {
        builder.append(", ").append(array[i]);
      }
      return builder.append(']').toString();
    }

    short[] toShortArray() {
      return Arrays.copyOfRange(array, start, end);
    }

    }

    @Override
    public String toString() {
      StringBuilder builder = new StringBuilder(size() * 6);
      builder.append('[').append(array[start]);
      for (int i = start + 1; i < end; i++) {
        builder.append(", ").append(array[i]);
      }
      return builder.append(']').toString();
    }

    short[] toShortArray() {
      return Arrays.copyOfRange(array, start, end);
    }