export interface ProductUrlParams {
    productHandle: string;
    variantId: string | undefined;
}
export declare const parseProductUrl: (url: string) => {
    productHandle: string;
    variantId: string | undefined;
} | null;
export interface ObserveProductUrlArgs {
    source: Location | HTMLAnchorElement;
    onProductUrlChange: (urlParams: ProductUrlParams) => void;
}
export declare const observeProductUrl: ({ source, onProductUrlChange, }: ObserveProductUrlArgs) => () => void;