added all files

node_modules/ow/dist/modifiers.d.ts

@@ -0,0 +1,13 @@
+import { BasePredicate } from '.';
+import { Predicates } from './predicates';
+declare type Optionalify<P> = P extends BasePredicate<infer X> ? P & BasePredicate<X | undefined> : P;
+export interface Modifiers {
+    /**
+    Make the following predicate optional so it doesn't fail when the value is `undefined`.
+    */
+    readonly optional: {
+        [K in keyof Predicates]: Optionalify<Predicates[K]>;
+    };
+}
+declare const _default: <T>(object: T) => T & Modifiers;
+export default _default;