final IVariable<?>[] joinVars = t.getJoinVars(); .getJoinVars();
final IVariable<?>[] joinVars = t.getJoinVars(); .getJoinVars();
final IVariable[] joinVars = subgroup.getJoinVars();
final IVariable[] joinVars = subgroup.getJoinVars();
final IVariable<?>[] joinVars = t.getJoinVars(); .getJoinVars();
final IVariable<?>[] joinVars = t.getJoinVars(); .getJoinVars();
final IVariable[] joinVars = subgroup.getJoinVars();
final IVariable[] joinVars = subgroup.getJoinVars();