code: private String sizeToString(final long aSizeInBytes) {
          final String size = sizeFromBytes(aSizeInBytes, true).replace(" ", "");
          return size.substring(0, size.length() - 1);
      }
docs: Convert the size string returned by {@link FileUtils#sizeFromBytes} into the format we need for the JVM.
  
  @param aSizeInBytes
  @return A formatted string representation of the supplied amount of memory