import type { ImmutableArray, PossibleArray } from "../util/array.js";
import type { AnyCaller } from "../util/function.js";
import { BusyStore } from "./BusyStore.js";
/** Store an array. */
export declare class ArrayStore<T> extends BusyStore<ImmutableArray<T>, PossibleArray<T>> implements Iterable<T> {
    constructor(value?: PossibleArray<T>);
    protected _convert(input: PossibleArray<T>, caller: AnyCaller): ImmutableArray<T>;
    /** Get the first item in this store or `null` if this query has no items. */
    get optionalFirst(): T | undefined;
    /** Get the last item in this store or `null` if this query has no items. */
    get optionalLast(): T | undefined;
    /** Get the first item in this store. */
    get first(): T;
    /** Get the last item in this store. */
    get last(): T;
    /** Does the document have at least one result. */
    get exists(): boolean;
    /** Get the length of the current value of this store. */
    get count(): number;
    /** Add items to this array. */
    add(...items: T[]): void;
    /** Remove items from this array. */
    delete(...items: T[]): void;
    /** Toggle items in this array. */
    toggle(...items: T[]): void;
    /** Iterate over the items. */
    [Symbol.iterator](): Iterator<T, void>;
}