type InferMapKeys<T> = T extends Map<infer K, any> ? K : never;
declare module '../expect.types' {
    interface ObjectExpect<T> {
        /**
         * Check if value has keys
         */
        keys<K extends keyof T>(keys: K[] | K): this;
    }
    interface MapExpect<T> {
        /**
         * Check if value has keys
         */
        keys<K extends InferMapKeys<T>>(keys: K[] | K): this;
    }
}
export {};
//# sourceMappingURL=keys.d.ts.map