import type { Address } from 'viem';
import type { FunkitCheckoutConfig } from '~/providers/FunkitCheckoutContext';
import { LoginType } from '~/providers/GeneralWalletProvider';
import type { AssetHoldingsItem } from '~/utils/assets';
import { PaymentMethod } from '../domains/paymentMethods';
export declare const isStablecoin: (symbol: string) => boolean;
export declare function isNativeTokenAddress(address: Address): boolean;
export declare function isDefaultToken(asset: AssetHoldingsItem, checkoutConfig: FunkitCheckoutConfig): boolean;
export declare const isPolygonEcosystemToken: (chainId: string, tokenAddress: string) => boolean;
interface AssetUsableToPayParms {
    apiKey: string;
    config: FunkitCheckoutConfig;
    payerAddress: string;
    paymentMethod: PaymentMethod;
    targetChainId: string;
    targetTokenAddress: string;
    assetChainId: string;
    assetTokenAddress: string;
    assetUsdAmount: number | null;
    loginType: LoginType;
    isAllowedForCheckout: boolean;
}
export declare const isAssetUsableToPayForCheckout: ({ apiKey, config, payerAddress, paymentMethod, targetChainId, targetTokenAddress, assetChainId, assetTokenAddress, assetUsdAmount, loginType, isAllowedForCheckout, }: AssetUsableToPayParms) => {
    isUsable: boolean;
    reason: string;
};
export declare function getUsdAvailableAmount(targetChainId: string, assetChainId: string | undefined, assetUsdAmount: number | null | undefined, paymentMethod: PaymentMethod | undefined, isDirectExecution: boolean): number | null;
export {};