export declare function useSelection(): {
    selectDefault: (params: {
        fromChainId: number;
        toChainId: number;
        tokenAddress: string;
    }) => Promise<void>;
    selectFromChain: (fromChainId: number) => Promise<void>;
    selectToChain: (toChainId: number) => Promise<void>;
    selectToken: (tokenAddress: string) => Promise<void>;
    selectToToken: (toTokenAddress: string) => Promise<void>;
    exchange: () => Promise<void>;
};