import type { Action } from '../useReducer';
import { ChainLegacy, RootState, GatewayToken } from '../types';
import { NetworkConfig } from '../networkConfig';
export type UseChainAction = {
    type: 'tokenOnChainNotFound';
} | {
    type: 'tokenOnChainError';
} | {
    type: 'tokenListenerAdded';
    listenerId: number;
} | {
    type: 'tokenExpectedTimerAdded';
    listenerId: number;
} | {
    type: 'tokenExpectedTimerCleared';
    listenerId: number;
} | {
    type: 'tokenOnChainFetch';
} | {
    type: 'tokenOnChainFound';
} | {
    type: 'tokenOnChainUnknown';
};
export declare const reducer: (state: RootState, action: Action) => RootState;
declare const useChain: ({ chainImplementation, onGatewayTokenCreatedOrChanged, }: {
    chainImplementation: ChainLegacy | undefined;
    networkConfig: NetworkConfig;
    onGatewayTokenCreatedOrChanged: (token: GatewayToken) => void;
}, state: Partial<RootState>, dispatch: React.Dispatch<Action>) => {
    addChainCreatedOrChangedListeners: (tokenChange: (GatewayToken: GatewayToken) => void) => number | undefined;
    checkForOnChainToken: (tokenChange: (GatewayToken: GatewayToken) => void) => Promise<void>;
    removeOnChainListener: (arg: number) => void;
    dispatchListenerAdded: (listenerId: number) => void;
    dispatchTokenExpectedTimerAdded: (listenerId: number) => void;
    dispatchTokenExpectedTimerCleared: (listenerId: number) => void;
    addTokenChangeListener: (gatewayToken: GatewayToken, tokenChange: (GatewayToken: GatewayToken) => void) => Promise<number>;
};
export default useChain;