Update missing parameter types

types/select2/v3/index.d.ts

@@ -112,6 +112,14 @@ interface Select2Plugin {
 	 * @params triggerChange Should a change event be triggered
 	 */
     (method: 'data', value: any, triggerChange?: boolean): any;
+	/**
+	 * Whether it is open
+	 */
+    (method: 'opened'): boolean;
+	/**
+	 * Whether it is in focus
+	 */
+    (method: 'isFocused'): boolean;
 	/**
 	 * Reverts changes to DOM done by Select2. Any selection done via Select2 will be preserved.
 	 */
@@ -124,11 +132,19 @@ interface Select2Plugin {
 	 * Closes the dropdown
 	 */
     (method: 'close'): JQuery;
+	/**
+	 * Disables Select2
+	 */
+    (method: 'disable'): JQuery;
 	/**
 	 * Enables or disables Select2 and its underlying form component
 	 * @param value True if it should be enabled false if it should be disabled
 	 */
     (method: 'enable', value?: boolean): JQuery;
+	/**
+	 * Enable its focus
+	 */
+    (method: 'focus'): JQuery;
 	/**
 	 * Toggles readonly mode on Select2 and its underlying form component
 	 * @param value True if it should be readonly false if it should be read write