@Override
    public Optional<Long> sizeIfKnown() {
      BasicFileAttributes attrs;
      try {
        attrs = readAttributes();
      } catch (IOException e) {
        // Failed to get attributes; we don't know the size.
        return Optional.absent();
      }

      // Don't return a size for directories or symbolic links; their sizes are implementation

	if len(operands) == 3 {
		flag = p.evalInteger("TEXT", operands[1])
		next++
	}

	// Issue an error if we see a function defined as ABIInternal
	// without NOSPLIT. In ABIInternal, obj needs to know the function
	// signature in order to construct the morestack path, so this
	// currently isn't supported for asm functions.
	if nameAddr.Sym.ABI() == obj.ABIInternal && flag&obj.NOSPLIT == 0 {

		return errDecommissionAlreadyRunning
	}

	now := UTCNow()
	p.Pools[idx].LastUpdate = now
	p.Pools[idx].Decommission = &PoolDecommissionInfo{
		StartTime:   now,
		StartSize:   pi.Free,
		CurrentSize: pi.Free,
		TotalSize:   pi.Total,
	}
	return nil
}

func (p poolMeta) IsSuspended(idx int) bool {
	if idx >= len(p.Pools) {
		// We don't really know if the pool is suspended or not, since it doesn't exist.

		if err != nil {
			return ObjectInfo{}, err
		}
		ctx = lkctx.Context()
		defer lk.Unlock(lkctx)
	}

	opts.MetadataChg = true
	opts.NoLock = true
	// We don't know the size here set 1GiB at least.
	idx, err := z.getPoolIdxExistingWithOpts(ctx, bucket, object, opts)
	if err != nil {
		return ObjectInfo{}, err
	}

		if parityOrig != parityDrives {
			userDefined[minIOErasureUpgraded] = strconv.Itoa(parityOrig) + "->" + strconv.Itoa(parityDrives)
		}
	}

	dataDrives := len(onlineDisks) - parityDrives

	// we now know the number of blocks this object needs for data and parity.
	// establish the writeQuorum using this data
	writeQuorum := dataDrives
	if dataDrives == parityDrives {
		writeQuorum++
	}

   * the computation -- makes sense, and if we don't convert it, the user still has to write a
   * try-catch block.
   *
   * If you think you would use this method, let us know. You might also look into the
   * Fork-Join framework: http://docs.oracle.com/javase/tutorial/essential/concurrency/forkjoin.html
   */

                }
            }
        } else if (userSuppliedConfigurationProcessorCount > 1) {
            //
            // There are too many ConfigurationProcessors so we don't know which one to run so report the error.
            //
            StringBuilder sb = new StringBuilder(String.format(
                    "%nThere can only be one user supplied ConfigurationProcessor, there are %s:%n%n",

   *
   * <p>{@link InetAddress#getByAddress} is documented as throwing a checked exception "if IP
   * address is of illegal length." We replace it with an unchecked exception, for use by callers
   * who already know that addr is an array of length 4 or 16.
   *
   * @param addr the raw 4-byte or 16-byte IP address in big-endian order
   * @return an InetAddress object created from the raw IP address
   */

   * must be well-behaved with respect to {@link Object#equals} and {@link Object#hashCode}.
   *
   * <p><b>Note:</b>If you only need to know whether two maps have the same mappings, call {@code
   * left.equals(right)} instead of this method.
   *
   * @param left the map to treat as the "left" map for purposes of comparison

   * must be well-behaved with respect to {@link Object#equals} and {@link Object#hashCode}.
   *
   * <p><b>Note:</b>If you only need to know whether two maps have the same mappings, call {@code
   * left.equals(right)} instead of this method.
   *
   * @param left the map to treat as the "left" map for purposes of comparison