@types/angular-strap

The type definition is missing the `prefixClass` option. https://github.com/mgcrea/angular-strap/blob/master/dist/modules/modal.js#L16

types/angular-strap/index.d.ts

@@ -45,6 +45,7 @@ declare namespace mgcrea.ngStrap {
             template?: string;
             templateUrl?: string;
             contentTemplate?: string;
+            prefixClass?:  string;
             prefixEvent?: string;
             id?: string;
             scope?: ng.IScope;