import { AccountInfo, Commitment, Connection, PublicKey } from "@solana/web3.js";
import { KeyedStakeAccountInfo, StakeAccount } from "./account.js";
export declare type StakeAccAuthorityArgs = {
    staker?: PublicKey;
    withdrawer?: PublicKey;
};
export declare class InvalidStakeAccAuthorityArgsError extends Error {
    constructor();
}
/**
 * Finds all `Initialized` and `Stake` stake accounts with the given staker and/or withdrawer authority.
 * Note: this uses getParsedProgramAccounts under the hood
 * @param connection
 * @param stakeAccAuthorityArgs
 * @returns
 * @throws `InvalidStakeAccAuthorityArgsError` if stakeAccAuthorityArgs does not container either staker or withdrawer
 */
export declare function findAllStakeAccountsByAuth(connection: Connection, { staker, withdrawer }: StakeAccAuthorityArgs, commitment?: Commitment): Promise<KeyedStakeAccountInfo[]>;
export declare class StakeAccountDoesNotExistError extends Error {
    constructor(publicKey: PublicKey);
}
/**
 * Fetches a stake account from on-chain
 * @param connection
 * @param publicKey
 * @param commitment
 * @returns
 * @throws StakeAccountDoesNotExistError if stake account does not exist
 * @throws ParseStakeAccountError if unable to parse fetched account data
 */
export declare function getStakeAccount(connection: Connection, publicKey: PublicKey, commitment?: Commitment): Promise<AccountInfo<StakeAccount>>;