import { BN } from "@coral-xyz/anchor";
import { PublicKey, VersionedTransaction, TransactionSignature } from "@solana/web3.js";
import { BaseClient, BaseTxBuilder, TxOptions } from "../base";
import { PkMap } from "../../utils";
import { KaminoLendingClient } from "./lending";
import { ParsedFarmState, ParsedFarmUser } from "./types";
declare class TxBuilder extends BaseTxBuilder<KaminoFarmClient> {
    stakeTx(amount: BN, farmState: PublicKey, txOptions?: TxOptions): Promise<VersionedTransaction>;
    unstakeTx(amount: BN, farmState: PublicKey, txOptions?: TxOptions): Promise<VersionedTransaction>;
    harvestTx(farmUserStates: PublicKey[], txOptions?: TxOptions): Promise<VersionedTransaction>;
}
export declare class KaminoFarmClient {
    readonly base: BaseClient;
    readonly kaminoLending: KaminoLendingClient;
    txBuilder: TxBuilder;
    constructor(base: BaseClient, kaminoLending: KaminoLendingClient);
    /**
     * Finds and parses farm states for the given owner
     */
    findAndParseFarmUserStates(owner: PublicKey): Promise<ParsedFarmUser[]>;
    parseFarmState(data: Buffer): Promise<ParsedFarmState>;
    fetchAndParseFarmStates(farms: PublicKey[]): Promise<PkMap<ParsedFarmState>>;
    farmVaultTokenAccount: (farm: PublicKey, mint: PublicKey) => PublicKey;
    farmVaultsAuthority: (farm: PublicKey) => PublicKey;
    rewardsTreasuryVault: (globalConfig: PublicKey, mint: PublicKey) => PublicKey;
    /**
     * Harvest rewards from Kamino farms
     */
    harvest(vaultFarmStates: PublicKey[], txOptions?: TxOptions): Promise<TransactionSignature>;
    /**
     * Stake tokens to a farm
     */
    stake(amount: BN, farmState: PublicKey, txOptions?: TxOptions): Promise<TransactionSignature>;
    /**
     * Unstake tokens from a farm
     */
    unstake(amount: BN, farmState: PublicKey, txOptions?: TxOptions): Promise<TransactionSignature>;
}
export {};