export declare class IndexMap<T> {
    map: {
        [key: string]: T;
    };
    counter: number;
    size: number;
    available: Set<string>;
    constructor();
    store(item: T): string;
    has(key: any): boolean;
    get(key: string): T;
    delete(key: string): boolean;
    lock(): string;
    set(count: any, value: T): void;
    entries(): [string, T][];
    values(): T[];
    keys(): string[];
}
//# sourceMappingURL=indexmap.d.ts.map