diff --git a/typescript/widget/intervalslider/intervalslider.ts b/typescript/widget/intervalslider/intervalslider.ts
index e16b9a2151..ed36442683 100644
--- a/typescript/widget/intervalslider/intervalslider.ts
+++ b/typescript/widget/intervalslider/intervalslider.ts
@@ -14,8 +14,8 @@ export declare class IntervalSlider extends Single {
     }
 
     setMinAndMax(v: {
-        min: number;
-        max: number;
+        min: number | string;
+        max: number | string;
     }): void;
 
     reset(): void
diff --git a/typescript/widget/multiselecttree/multiselecttree.ts b/typescript/widget/multiselecttree/multiselecttree.ts
new file mode 100644
index 0000000000..19072d183e
--- /dev/null
+++ b/typescript/widget/multiselecttree/multiselecttree.ts
@@ -0,0 +1,10 @@
+import { Single } from '../../base/single/single';
+
+export declare class MultiSelectTree extends Single {
+    static xtype: string;
+    static EVENT_CHANGE: string;
+
+    stopSearch(): void;
+
+    setSelectedValue(v: string[]): void;
+}
diff --git a/typescript/widget/singleselect/singleselectlist.insert.ts b/typescript/widget/singleselect/singleselectlist.insert.ts
new file mode 100644
index 0000000000..f4939859e8
--- /dev/null
+++ b/typescript/widget/singleselect/singleselectlist.insert.ts
@@ -0,0 +1,6 @@
+import { Single } from "../../base/single/single";
+
+export declare class SingleSelectInsertList extends Single {
+    static xtype: string;
+    static EVENT_CHANGE: string;
+}