import type { Nullable } from "instill-sdk";
import { QueryClient } from "@tanstack/react-query";
export declare function fetchUser({ userId, accessToken, }: {
    userId: Nullable<string>;
    accessToken: Nullable<string>;
}): Promise<import("instill-sdk").User>;
export declare function prefetchUser({ userId, accessToken, queryClient, }: {
    userId: Nullable<string>;
    accessToken: Nullable<string>;
    queryClient: QueryClient;
}): Promise<void>;
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