import { type DynamicClient, type NetworkData } from '@dynamic-labs-sdk/client';
import type { EvmWalletAccount } from '../../EvmWalletAccount.types';
type GetErc20AllowanceParams = {
    networkData?: NetworkData;
    ownerAddress: string;
    spenderAddress: string;
    tokenAddress: string;
    walletAccount: EvmWalletAccount;
};
/**
 * Reads the current ERC-20 token allowance granted by an owner to a spender.
 *
 * Uses a viem public client derived from the wallet account's active network
 * to call the `allowance(owner, spender)` method on the token contract.
 *
 * @param params.tokenAddress - The ERC-20 token contract address.
 * @param params.ownerAddress - The address that granted the allowance.
 * @param params.spenderAddress - The address allowed to spend the tokens.
 * @param params.walletAccount - The EVM wallet account used to resolve the active network.
 * @param [params.networkData] - The network data to use for the public client. If not provided, the active network data will be used.
 * @param client - The Dynamic client instance.
 * @returns The current allowance as a bigint in the token's smallest unit.
  * @not-instrumented
 */
export declare const getErc20Allowance: ({ networkData, ownerAddress, spenderAddress, tokenAddress, walletAccount, }: GetErc20AllowanceParams, client: DynamicClient) => Promise<bigint>;
export {};
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