import { Context } from '../../internal';
import { BondPolyxParams, NoArgsProcedureMethod, NominateValidatorsParams, PaginationOptions, ProcedureMethod, ResultSet, SetStakingPayeeParams, StakingCommission, StakingEraInfo, SubCallback, UnsubCallback, UpdatePolyxBondParams } from '../../types';
/**
 * Handles Staking related functionality
 */
export declare class Staking {
    private readonly context;
    /**
     * @hidden
     */
    constructor(context: Context);
    /**
     * Bond POLYX for staking
     *
     * @note the signing account cannot be a stash
     */
    bond: ProcedureMethod<BondPolyxParams, void>;
    /**
     * Bond extra POLYX for staking
     *
     * @note this transaction must be signed by a stash
     */
    bondExtra: ProcedureMethod<UpdatePolyxBondParams, void>;
    /**
     * Unbond POLYX for staking. The unbonded amount can be withdrawn after the lockup period
     */
    unbond: ProcedureMethod<UpdatePolyxBondParams, void>;
    /**
     * Withdraw unbonded POLYX to free it for the stash account
     *
     * @note this transaction must be signed by a controller
     */
    withdraw: NoArgsProcedureMethod<void>;
    /**
     * Nominate validators for the bonded POLYX
     *
     * @note this transaction must be signed by a controller
     */
    nominate: ProcedureMethod<NominateValidatorsParams, void>;
    /**
     * Allow for a stash account to update its controller so the stash becomes its own controller
     *
     * @note the transaction must be signed by a stash account
     */
    setController: NoArgsProcedureMethod<void>;
    /**
     * Allow for a stash account to update where it's staking rewards are deposited
     *
     * @note the transaction must be signed by a controller account
     */
    setPayee: ProcedureMethod<SetStakingPayeeParams, void>;
    /**
     * Return information about nomination targets
     *
     * @note supports pagination
     */
    getValidators(paginationOpts?: PaginationOptions): Promise<ResultSet<StakingCommission>>;
    /**
     * Retrieve the current staking era information
     *
     * @returns Promise that resolves to the current era information
     */
    eraInfo(): Promise<StakingEraInfo>;
    /**
     * Retrieve the current staking era information (with subscription support)
     *
     * @param callback - Callback function that receives era information updates
     *
     * @returns Promise that resolves to an unsubscribe function
     *
     * @note can be subscribed to, if connected to node using a web socket
     */
    eraInfo(callback: SubCallback<StakingEraInfo>): Promise<UnsubCallback>;
}
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