Added style class definitions to *Style.d.ts

components/lib/chip/style/ChipStyle.d.ts

@@ -1,3 +1,20 @@
+/**
+ *
+ * Chip represents people using icons, labels and images.
+ *
+ * [Live Demo](https://www.primevue.org/chip)
+ *
+ * @module chipstyle
+ *
+ */
 import { BaseStyle } from '../../base/style';
 
+export enum ChipClasses {
+    root = 'p-chip',
+    image = 'p-chip-image',
+    icon = 'p-chip-icon',
+    label = 'p-chip-label',
+    removeIcon = 'p-chip-remove-icon'
+}
+
 export interface ChipStyle extends BaseStyle {}