import type { Response } from 'express';
/**
 * Fluent HTTP response wrapper around Express `Response`.
 */
export declare class HttpResponse {
    private readonly res;
    private statusCode;
    /**
     * @param res - Express response for the current request.
     */
    constructor(res: Response);
    /**
     * Set the HTTP status code before sending.
     *
     * @param code - HTTP status.
     * @returns This instance (fluent).
     */
    status(code: number): this;
    /**
     * Send JSON, running the payload through the configured serializer (see {@link configureResponseSerializer}).
     *
     * @param body - Arbitrary data (models, arrays, plain objects).
     */
    json(body: unknown): void;
    /**
     * Send an empty or raw body with the current status.
     *
     * @param body - Optional body for `res.send`.
     */
    send(body?: string | Buffer | object): void;
}
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