public void addSinglePathResolver(SinglePathResolver resolver){
  int index=0;
  if (bases != null) {
    index=bases.size();
  }
  addSinglePathResolver(index,resolver);
}

public void addSinglePathResolver ( SinglePathResolver resolver ) { int index = 0 ; if ( bases != null ) { index = bases . size ( ) ; } addSinglePathResolver ( index , resolver ) ; }
add a resolver that will be used in all resolves
