public boolean prescreen(ClassContext classContext,Method method){
  BitSet bytecodeSet=classContext.getBytecodeSet(method);
  return bytecodeSet != null && (bytecodeSet.get(Constants.INVOKEINTERFACE) || bytecodeSet.get(Constants.INVOKEVIRTUAL) || bytecodeSet.get(Constants.INVOKESPECIAL)|| bytecodeSet.get(Constants.INVOKESTATIC)|| bytecodeSet.get(Constants.INVOKENONVIRTUAL));
}

public boolean prescreen ( ClassContext classContext , Method method ) { BitSet bytecodeSet = classContext . getBytecodeSet ( method ) ; return bytecodeSet != null && ( bytecodeSet . get ( Constants . INVOKEINTERFACE ) || bytecodeSet . get ( Constants . INVOKEVIRTUAL ) || bytecodeSet . get ( Constants . INVOKESPECIAL ) || bytecodeSet . get ( Constants . INVOKESTATIC ) || bytecodeSet . get ( Constants . INVOKENONVIRTUAL ) ) ; }
use this to screen out methods that do not contain invocations .
