import { Metadata } from "@polkadot/types";
import { BytesLike, ethers } from "ethers";
type Client = {
    calls: {
        session: {
            buildSetKeysCallH: any;
        };
        darwiniaStaking: {
            buildNominateCall: any;
            buildStakeCall: any;
            buildCollectCall: any;
        };
        utility: {
            batchAll: any;
        };
    };
    storages: {
        system: {
            events: Function;
        };
    };
    metadata: Metadata;
    provider: ethers.providers.BaseProvider;
};
/**
 * @param client: client from clientBuilder
 * @param signer: a signer with a provider inside
 * @param target: the account which you want to nominate
 * @param ringAmount: RINGs to stake
 * @param ktonAmount: KTONs to stake
 * @param deposits: deposit ids to stake
 */
export declare function nominateAndStake(client: Client, signer: ethers.Signer, target: BytesLike, ringAmount: number, ktonAmount: number, deposits: number[]): Promise<any>;
/**
 * @param client: client from clientBuilder
 * @param signer: a signer with a provider inside
 * @param keys: session keys bytes
 * @param commission: integer >= 0 and <= 100
 */
export declare function setSessionKeysAndCommission(client: Client, signer: ethers.Signer, keys: BytesLike, commission: number): Promise<any>;
/**
 * TODO: cache meta
 */
export declare function getSystemEvents(client: Client2): Promise<EventData[]>;
type Client2 = {
    storages: {
        system: {
            events: Function;
        };
    };
    metadata: Metadata;
    provider: ethers.providers.BaseProvider;
};
export type EventData = {
    palletName: string;
    eventName: string;
    data: Map<string, any>;
};
/**
 * Track specified events.
 *
 * @param client: client from clientBuilder
 * @param eventsToTrack: [PalletName, EventName] array
 * @param cb: callback
 */
export declare function trackSystemEvents(client: Client2, eventsToTrack: [string, string][], cb: (event: EventData) => Promise<void>): Promise<void>;
export {};