export default class MetaContainer {
    private _map;
    readonly itemCount: number;
    getItem<T>(classToGet: {
        new (): T;
    }): T;
    hasItem<T>(classToCheck: {
        new (): T;
    }): boolean;
    setItem(item: any): void;
    removeItem<T>(classToRemove: {
        new (): T;
    }): void;
}