import type { Request } from 'express';
import { ResourceCollection } from './ResourceCollection.js';
export type JsonResourceObject = Record<string, unknown>;
/**
 * JSON resource transformer for HTTP responses.
 *
 * By default serialized output is wrapped under a `data` key; set `wrap = null` on a subclass to disable.
 */
export declare abstract class JsonResource<TResource = unknown> {
    static wrap: string | null;
    protected readonly resource: TResource;
    constructor(resource: TResource);
    /**
     * Transform the underlying resource into a plain object.
     */
    abstract toArray(req: Request): JsonResourceObject;
    /**
     * Resolve the resource using the current request context (or an explicit `req`).
     */
    resolve(req?: Request): JsonResourceObject;
    /**
     * Resolve with wrapping (`{ data: ... }` by default).
     */
    toResponseObject(req?: Request): unknown;
    /**
     * Create a collection wrapper for an array of items.
     */
    static collection<TItem>(this: new (resource: TItem) => JsonResource<TItem>, items: readonly TItem[]): ResourceCollection<TItem>;
}
//# sourceMappingURL=JsonResource.d.ts.map