import { CBARObject } from "./components";
export interface iCBARCollection<T> {
    values: {
        [id: string]: T;
    };
    add(asset: T): void;
    containsKey(key: string): boolean;
    remove(asset: T): void;
    clearAll(): void;
    length(): number;
    first(): T | undefined;
    last(): T | undefined;
    all(): T[];
    forEach(callbackfn: (value: T, index: number, array: T[]) => void, thisArg?: any): void;
}
export declare abstract class CBARCollection<T> extends CBARObject<T> implements iCBARCollection<T> {
    [Symbol.iterator](): Iterator<T, any, undefined>;
    forEach(callbackfn: (value: T, index: number, array: T[]) => void, thisArg?: any): void;
    abstract values: {
        [p: string]: T;
    };
    abstract add(asset: T): void;
    abstract all(): T[];
    abstract clearAll(): void;
    abstract containsKey(key: string): boolean;
    abstract first(): T | undefined;
    abstract last(): T | undefined;
    abstract length(): number;
    abstract remove(asset: T): void;
}