import { TransactionInstruction, PublicKey } from "@solana/web3.js";
import BN from "bn.js";
export interface RewardUserOnceArgs {
    rewardIndex: BN;
    amount: BN;
}
export interface RewardUserOnceAccounts {
    farmAdmin: PublicKey;
    farmState: PublicKey;
    userState: PublicKey;
}
export declare const layout: any;
export declare function rewardUserOnce(args: RewardUserOnceArgs, accounts: RewardUserOnceAccounts, programId?: PublicKey): TransactionInstruction;
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