public static void showUsage() {
final public static void showUsage() {
  public static void showUsage() {      VM.sysWrite("used pages = ", getPagesUsed());      VM.sysWrite(" ("); VM.sysWrite(Conversions.pagesToBytes(getPagesUsed()) >> 20, " Mb) ");      VM.sysWrite("= (nursery) ", nurseryMR.reservedPages());        VM.sysWrite("= (ms) ", msMR.reservedPages());      VM.sysWriteln(" + (imm) ", immortalMR.reservedPages());  }