export interface Quad9TransportResponse {
    status: number;
    statusText: string;
    body: Uint8Array;
}
export type Quad9Transport = (baseUrl: string, query: Uint8Array, signal?: AbortSignal) => Promise<Quad9TransportResponse>;
/** Portable RFC 8484 transport used by the browser composition. */
export declare function requestQuad9(baseUrl: string, query: Uint8Array, signal?: AbortSignal): Promise<Quad9TransportResponse>;