export declare class DictArray<T extends Object> implements Iterable<T> {
    private idField;
    private _map;
    private _array;
    constructor(idField?: string);
    [Symbol.iterator](): {
        next(): IteratorResult<T>;
    };
    readonly length: number;
    push(items: T | Array<T>): T | Array<T>;
    clear(): void;
    byId(id: string | number): T | undefined;
    has(id: string | number): boolean;
    forEach(callbackFn: (value: T, idx: number, array: T[]) => void): void;
    map<U>(callbackFn: (value: T, idx: number, array: T[]) => U): U[];
    filter(callbackFn: (value: T, idx: number, array: T[]) => boolean): T[];
    find(predicate: (value: T, idx: number, obj: T[]) => boolean): T | undefined;
}