/// <reference types="node" />
/// <reference types="node" />
import { StakeState } from '@marinade.finance/marinade-ts-sdk/dist/src/marinade-state/borsh/stake-state';
import { PublicKey } from '@solana/web3.js';
import BN from 'bn.js';
import type { HasProvider, ProgramAccountInfo, ProgramAccountInfoNoData, Provider } from '@marinade.finance/web3js-1x';
import type { Connection } from '@solana/web3.js';
export declare function deserializeStakeState(data: Buffer | undefined): StakeState;
export type StakeAccountParsed = {
    address: PublicKey;
    withdrawer: PublicKey | null;
    staker: PublicKey | null;
    voter: PublicKey | null;
    activationEpoch: BN | null;
    deactivationEpoch: BN | null;
    isCoolingDown: boolean;
    isLockedUp: boolean;
    balanceLamports: BN | null;
    stakedLamports: BN | null;
    currentEpoch: number;
    currentTimestamp: number;
};
export declare function getStakeAccount(connection: Provider | Connection | HasProvider, address: PublicKey, currentEpoch?: number | BN | bigint): Promise<StakeAccountParsed>;
export declare function findStakeAccountNoDataInfos({ connection, staker, withdrawer, voter, }: {
    connection: Provider | Connection | HasProvider;
    staker?: PublicKey;
    withdrawer?: PublicKey;
    voter?: PublicKey;
}): Promise<ProgramAccountInfoNoData[]>;
export declare function loadStakeAccounts({ connection, addresses, currentEpoch, }: {
    connection: Provider | Connection | HasProvider;
    addresses: PublicKey[] | ProgramAccountInfoNoData[];
    currentEpoch?: number | BN;
}): Promise<ProgramAccountInfo<StakeAccountParsed>[]>;
export declare function findStakeAccounts({ connection, staker, withdrawer, voter, currentEpoch, }: {
    connection: Provider | Connection | HasProvider;
    staker?: PublicKey;
    withdrawer?: PublicKey;
    voter?: PublicKey;
    currentEpoch?: BN | number;
}): Promise<ProgramAccountInfo<StakeAccountParsed>[]>;
export declare function getRentExemptStake(provider: Provider, rentExempt?: number): Promise<number>;
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