@Override
public boolean validate(Collection<Variable> variableList) {
return VariableUtil.validate(variableList);
}
@Override
public boolean validate(Variable variable) {
return VariableUtil.validate(variable);
}
@Override
public String toString(Variable variable) {
return VariableUtil.toString(variable);
}
@Override
public String toString(Collection<Variable> variableList) {
return VariableUtil.toString(variableList);
}
@Override
public boolean isEmpty(Variable variable) {
return VariableUtil.isEmpty(variable);
}