/**
 * Base resource class — handles HTTP requests to the BrainstormRouter API.
 *
 * All resource namespaces (providers, presets, etc.) extend this class
 * to inherit fetch, JSON parsing, and error handling.
 */
export declare class BrainstormRouterError extends Error {
    readonly status: number;
    readonly type: string;
    constructor(message: string, status: number, type: string);
}
export type HeaderFactory = () => Record<string, string>;
export declare class Resource {
    /** @internal */
    _baseURL: string;
    /** @internal */
    _headers: HeaderFactory;
    constructor(baseURL: string, headers: HeaderFactory);
    protected _get<T>(path: string, query?: Record<string, string>): Promise<T>;
    protected _post<T>(path: string, body?: unknown): Promise<T>;
    protected _put<T>(path: string, body?: unknown): Promise<T>;
    protected _patch<T>(path: string, body?: unknown): Promise<T>;
    protected _delete<T>(path: string): Promise<T>;
    private _request;
}