@NotNull private static GeneralCommandLine addInstallParameters(@NotNull GeneralCommandLine cl,int memorySize){
  cl.addParameters("-m",String.valueOf(memorySize));
  return cl;
}

@ NotNull private static GeneralCommandLine addInstallParameters ( @ NotNull GeneralCommandLine cl , int memorySize ) { cl . addParameters ( "-m" , String . valueOf ( memorySize ) ) ; return cl ; }
modifies cl with parameters used during installation and returns it .
