import { Collection } from "discord.js";
export default class CollectionExtension<K, V> {
    keys: Collection<K, V>["keys"];
    values: Collection<K, V>["values"];
    constructor();
    /** @DJSProtofy */
    keysToArray(): K[];
    /** @DJSProtofy */
    keysToSet(): Set<K>;
    /** @DJSProtofy */
    valuesToArray(): V[];
    /** @DJSProtofy */
    valuesToSet(): Set<V>;
}