import type { PaywallData } from "../types/paywall";
import type { PaywallRootBackgroundModel } from "./background-utils";
import type { ColorMode } from "../types";
import type { ColorScheme } from "../types/colors";
export declare function applyDocumentBackground(instanceId: symbol, model: PaywallRootBackgroundModel, options: {
    paywallData: PaywallData | null | undefined;
    colorMode: ColorMode;
    hostFallbackColor?: ColorScheme | null;
}): () => void;