Allow @enhance and @enhanceable in TypeScript JSDoc tags.
Allow @enhance and @enhanceable in TypeScript JSDoc tags.

Used by some internal tooling.

drjanitor/tsickle,ncfxy/tsickle,angular/tsickle,ncfxy/tsickle,alexeagle/tsickle,drjanitor/tsickle,drjanitor/tsickle,drjanitor/tsickle,alexeagle/tsickle,alexeagle/tsickle,ncfxy/tsickle,angular/tsickle