import { QueryObserverResult, RefetchOptions } from '@tanstack/react-query';
export declare const buildNonceKey: (backendUrl: string, route: string, address: string) => string[];
export interface UseEnsNonceParams {
    signinNonceRoute?: string;
    backendUrl?: string;
    enabled?: boolean;
}
export interface UseEnsNonceResult {
    nonce: string | undefined;
    refetchNonce: (options?: RefetchOptions | undefined) => Promise<QueryObserverResult<string, Error>>;
    isNoncePending: boolean;
    isNonceLoading: boolean;
    isNonceFetching: boolean;
}
export declare const useEnsNonce: (params?: UseEnsNonceParams) => UseEnsNonceResult;
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