import { PrototypeStruct } from '..';
export declare type IsWeakMapFn = (x: any) => boolean;
export declare const isWeakMap: PrototypeStruct;
declare global {
    interface WeakMapConstructor {
        isWeakMap: IsWeakMapFn;
    }
}
//# sourceMappingURL=is-weak-map.d.ts.map