import { TransactionInstruction, PublicKey } from '@solana/web3.js';
export interface InitializeRewardArgs {
    rewardIndex: number;
}
export interface InitializeRewardAccounts {
    rewardAuthority: PublicKey;
    funder: PublicKey;
    whirlpool: PublicKey;
    rewardMint: PublicKey;
    rewardVault: PublicKey;
    tokenProgram: PublicKey;
    systemProgram: PublicKey;
    rent: PublicKey;
}
export declare const layout: any;
export declare function initializeReward(args: InitializeRewardArgs, accounts: InitializeRewardAccounts): TransactionInstruction;