private boolean removeLeaseInRenew(Entry e){
  int index=leaseInRenew.indexOf(e);
  if (index < 0)   return false;
  leaseInRenew.remove(index);
  return true;
}

private boolean removeLeaseInRenew ( Entry e ) { int index = leaseInRenew . indexOf ( e ) ; if ( index < 0 ) return false ; leaseInRenew . remove ( index ) ; return true ; }
remove from leaseinrenew , return true if removed
