type TargetIDSet map[TargetID]struct{}

// IsEmpty returns true if the set is empty.
func (set TargetIDSet) IsEmpty() bool {
	return len(set) != 0
}

// Clone - returns copy of this set.
func (set TargetIDSet) Clone() TargetIDSet {
	setCopy := NewTargetIDSet()
	for k, v := range set {
		setCopy[k] = v
	}
	return setCopy
}

// add - adds TargetID to the set.

        dst[ dstIndex ] = (byte) ( val & 0xFF );
    }


    static int readInt2 ( byte[] src, int srcIndex ) {
        return ( ( src[ srcIndex ] & 0xFF ) << 8 ) + ( src[ srcIndex + 1 ] & 0xFF );
    }


    static int readInt4 ( byte[] src, int srcIndex ) {
        return ( ( src[ srcIndex ] & 0xFF ) << 24 ) + ( ( src[ srcIndex + 1 ] & 0xFF ) << 16 ) + ( ( src[ srcIndex + 2 ] & 0xFF ) << 8 )

        dst[dstIndex] = (byte)( val & 0xFF );
    }
    static int readInt2( byte[] src, int srcIndex ) {
        return (( src[srcIndex] & 0xFF ) << 8 ) +
                ( src[srcIndex + 1] & 0xFF );
    }
    static int readInt4( byte[] src, int srcIndex ) {
        return (( src[srcIndex] & 0xFF ) << 24 ) +
                (( src[srcIndex + 1] & 0xFF ) << 16 ) +
                (( src[srcIndex + 2] & 0xFF ) << 8 ) +

    return sum();
  }

  /** Returns the {@link #sum} as an {@code int} after a narrowing primitive conversion. */
  @Override
  public int intValue() {
    return (int) sum();
  }

  /** Returns the {@link #sum} as a {@code float} after a widening primitive conversion. */
  @Override
  public float floatValue() {
    return (float) sum();
  }

    return sum();
  }

  /** Returns the {@link #sum} as an {@code int} after a narrowing primitive conversion. */
  @Override
  public int intValue() {
    return (int) sum();
  }

  /** Returns the {@link #sum} as a {@code float} after a widening primitive conversion. */
  @Override
  public float floatValue() {
    return (float) sum();
  }

          result.addLenient(fieldName, networkHeaders.value(index))
        }
      }

      return result.build()
    }

    /**
     * Returns true if [fieldName] is an end-to-end HTTP header, as defined by RFC 2616,
     * 13.5.1.
     */
    private fun isEndToEnd(fieldName: String): Boolean {
      return !"Connection".equals(fieldName, ignoreCase = true) &&

            return false;
        } else if (!a.getArtifactId().equals(getArtifactId())) {
            return false;
        } else if (!a.getVersion().equals(getVersion())) {
            return false;
        } else if (!a.getType().equals(getType())) {
            return false;
        } else {
            return a.getClassifier() == null
                    ? getClassifier() == null

     */
    @Override
    public final long getLastAccessTime () {
        return this.lastAccessTime;
    }


    /**
     * @return the lastWriteTime
     */
    @Override
    public final long getLastWriteTime () {
        return this.lastWriteTime;
    }


    /**
     * @return the changeTime
     */
    public final long getChangeTime () {

      try {
        cache[key] ?: return null
      } catch (_: IOException) {
        return null // Give up because the cache cannot be read.
      }

    val entry: Entry =
      try {
        Entry(snapshot.getSource(ENTRY_METADATA))
      } catch (_: IOException) {
        snapshot.closeQuietly()
        return null
      }

    val response = entry.response(snapshot)

            this.id = id;
            myuniqueByProperty("_id");
            return this;
        }

        public String id() {
            return id;
        }

        public DocMeta version(Long version) {
            this.version = version;
            return this;
        }

        public Long version() {
            return version;
        }

        public DocMeta seqNo(Long seqNo) {