import { BN, Program } from "@coral-xyz/anchor";
import { PublicKey, TransactionInstruction } from "@solana/web3.js";
import { Staking } from "../artifacts/staking";
import { StakingSpl } from "../artifacts/staking_spl";
export type UpdateFlexibleVaultParams = {
    accounts?: {
        mint: PublicKey;
    };
    inputs: {
        rewardRate: BN;
        withdrawalDelayTime: BN;
    };
};
export declare function updateFlexibleVault(program: Program<Staking> | Program<StakingSpl>, params: UpdateFlexibleVaultParams): Promise<TransactionInstruction>;