interface HeapStashSettings {
    idPrefix?: string;
    maxItems?: number;
    ttl?: number;
}
interface ActionSettings {
    internalCacheOnly?: boolean;
}
declare type GetSettings = ActionSettings;
interface PutSettings extends ActionSettings {
    ttl?: number | false;
    pluginTTL?: number | false;
}
declare type FetchSettings = PutSettings;
declare type RemoveSettings = ActionSettings;
declare type ClearSettings = ActionSettings;
declare class HeapStash {
    settings: HeapStashSettings;
    plugins: any[];
    _: any;
    static Plugin: typeof Plugin;
    constructor(settings?: HeapStashSettings);
    get(id: string, settings?: GetSettings): Promise<any>;
    fetch(id: string, retrieveFunction: (id: string) => Promise<any>): Promise<any>;
    fetch(id: string, settings: FetchSettings, retrieveFunction: (id: string) => Promise<any>): Promise<any>;
    put(id: string | string[], item: any, settings?: PutSettings): Promise<void>;
    remove(id: string, settings?: RemoveSettings): Promise<void>;
    clear(settings?: ClearSettings): Promise<void>;
}
import Plugin from "./plugin";
export = HeapStash;