export declare function getInvitedById(): string;
export declare function saveAddress(options: {
    slug: string;
    referUrl?: string;
    inviteCode?: string;
    attributionModel?: "first-click" | "last-click";
} & ({
    address: string;
    email?: string;
    transactionHash?: string;
} | {
    address?: string;
    email: string;
    transactionHash?: string;
} | {
    address?: string;
    email?: string;
    transactionHash: string;
})): Promise<Response | undefined>;
export declare function logVisit(options: {
    slug: string;
    referUrl?: string;
}): Promise<Response | undefined>;
export declare function getOrCreateInviteCode(options: {
    address: string;
}): Promise<any>;
export declare function storeReferrer(): void;
export declare function clearReferrer(): void;