/**
 * Chat widget API – HTTP helpers and endpoint constants.
 */
import type { VTiltConfig } from "../../types";
export declare const API: {
    readonly channels: "/api/chat/widget/channels";
    readonly messages: (channelId: string) => string;
    readonly read: (channelId: string) => string;
    readonly ablyToken: "/api/chat/token/widget";
};
/** Minimal host surface for HTTP helpers (lazy chat bundle must not rely on `VTilt` prototype methods). */
export interface ApiRequestInstance {
    getConfig(): Pick<VTiltConfig, "api_host" | "token">;
}
export declare function apiRequest<T>(instance: ApiRequestInstance, endpoint: string, options?: RequestInit): Promise<T | null>;