/// <reference types="bn.js" />
import { Program } from "@project-serum/anchor";
import { Whirlpool } from "../artifacts/whirlpool";
import { Instruction } from "@orca-so/common-sdk";
import { PublicKey } from "@solana/web3.js";
import { BN } from "@project-serum/anchor";
/**
 * Parameters to set rewards emissions for a reward in a Whirlpool
 *
 * @category Instruction Types
 * @param whirlpool - PublicKey for the whirlpool which the reward resides in.
 * @param rewardIndex - The reward index that we'd like to initialize. (0 <= index <= NUM_REWARDS).
 * @param rewardVaultKey - PublicKey of the vault for this reward index.
 * @param rewardAuthority - Assigned authority by the reward_super_authority for the specified reward-index in this Whirlpool
 * @param emissionsPerSecondX64 - The new emissions per second to set for this reward.
 */
export declare type SetRewardEmissionsParams = {
    whirlpool: PublicKey;
    rewardIndex: number;
    rewardVaultKey: PublicKey;
    rewardAuthority: PublicKey;
    emissionsPerSecondX64: BN;
};
/**
 * Set the reward emissions for a reward in a Whirlpool.
 *
 * #### Special Errors
 * - `RewardVaultAmountInsufficient` - The amount of rewards in the reward vault cannot emit more than a day of desired emissions.
 * - `InvalidTimestamp` - Provided timestamp is not in order with the previous timestamp.
 * - `InvalidRewardIndex` - If the provided reward index doesn't match the lowest uninitialized index in this pool,
 *                          or exceeds NUM_REWARDS.
 *
 * @category Instructions
 * @param context - Context object containing services required to generate the instruction
 * @param params - SetRewardEmissionsParams object
 * @returns - Instruction to perform the action.
 */
export declare function setRewardEmissionsIx(program: Program<Whirlpool>, params: SetRewardEmissionsParams): Instruction;