export type GetAuthHandlerProps = {
    instillAccessToken?: string;
    namespaceId?: string;
    onCallback?: () => void;
};
export declare function getAuthHandler({ instillAccessToken, namespaceId, onCallback, }: GetAuthHandlerProps): import("next-auth").NextAuthResult;
export declare const slackAccessTokenInterceptor: (originalFetch: typeof fetch) => (url: Parameters<typeof fetch>[0], options?: Parameters<typeof fetch>[1]) => Promise<Response>;
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