import { Address, IInstruction, TransactionSigner } from "@solana/kit";
import BN from "bn.js";
export interface UpdateRewardDurationArgs {
    rewardIndex: BN;
    newDuration: BN;
}
export interface UpdateRewardDurationAccounts {
    lbPair: Address;
    admin: TransactionSigner;
    binArray: Address;
    eventAuthority: Address;
    program: Address;
}
export declare const layout: import("buffer-layout").Layout<unknown>;
export declare function updateRewardDuration(args: UpdateRewardDurationArgs, accounts: UpdateRewardDurationAccounts, programAddress?: Address): IInstruction;
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