Added style class definitions to *Style.d.ts

components/lib/togglebutton/style/ToggleButtonStyle.d.ts

@@ -1,3 +1,18 @@
+/**
+ *
+ * ToggleButton is used to select a boolean value using a button.
+ *
+ * [Live Demo](https://www.primevue.org/togglebutton/)
+ *
+ * @module togglebuttonstyle
+ *
+ */
 import { BaseStyle } from '../../base/style';
 
+export enum ToggleButtonClasses {
+    root = 'p-togglebutton',
+    icon = 'p-togglebutton-icon',
+    label = 'p-togglebutton-label'
+}
+
 export interface ToggleButtonStyle extends BaseStyle {}