import type { Request } from 'express';
import type { JsonResource } from './JsonResource.js';
/**
 * Wraps a collection of resources for consistent JSON output.
 *
 * By default, wraps into `{ data: [...] }` (inherits wrap behavior from {@link JsonResource}).
 */
export declare class ResourceCollection<TItem = unknown> {
    private readonly items;
    private readonly itemResource;
    static wrap: string | null;
    constructor(items: readonly TItem[], itemResource?: (new (resource: TItem) => JsonResource<TItem>) | null);
    toArray(req: Request): unknown[];
    toResponseObject(req?: Request): unknown;
}
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