Second property is ignored in org.modeshape.jcr.query.qom.JcrQueryObjectModelFactory.equiJoinCondition(String, String, String, String)

public EquiJoinCondition equiJoinCondition( String selector1Name,
                                            String property1Name,
                                            String selector2Name,
                                            String property2Name ) {
    CheckArg.isNotNull(selector1Name, "selector1Name");
    CheckArg.isNotNull(property1Name, "property1Name");
    CheckArg.isNotNull(selector2Name, "selector2Name");
    CheckArg.isNotNull(selector2Name, "selector2Name");
    return new JcrEquiJoinCondition(selectorName(selector1Name), property1Name, selectorName(selector2Name), selector2Name);
}