private Widget hebrewTree() {
final FastTree hebrewTree = new FastTree();
FastTreeItem firstBranch = hebrewTree.addItem("דואר נכנס (3)");
firstBranch.addItem("דחוף");
FastTreeItem familyBranch = firstBranch.addItem("משפחה");
familyBranch.becomeInteriorNode();
familyBranch.addItem("אמא");
familyBranch.addItem("אח שלו");
FastTreeItem secondBranch = firstBranch.addItem("יומן");
secondBranch.addItem("פגישות חשובות");