import type { Chain, Hex, PublicClient, Transport } from 'viem';
import type { Delegation7702Registry } from '../types';
type Is7702DelegationActiveParams = {
    /** The wallet address to check delegation status for. */
    walletAddress: Hex;
};
type Is7702DelegationActiveDeps = {
    chainId: number;
    delegationRegistry: Delegation7702Registry;
    publicClient: PublicClient<Transport, Chain>;
};
/**
 * Checks whether EIP-7702 delegation to the Dynamic gasless contract is
 * active for the given wallet on the given chain.
 *
 * Positive results are cached in the in-memory registry; missing entries
 * fall back to an on-chain bytecode check (`eth_getCode`). The on-chain
 * delegation marker is `DELEGATION_CODE_PREFIX + DELEGATION_CONTRACT_ADDRESS`.
 */
export declare const is7702DelegationActive: ({ walletAddress }: Is7702DelegationActiveParams, { chainId, delegationRegistry, publicClient }: Is7702DelegationActiveDeps) => Promise<boolean>;
export {};