import { Program } from "@project-serum/anchor";
import { Whirlpool } from "../artifacts/whirlpool";
import { Instruction } from "@orca-so/common-sdk";
import { PublicKey } from "@solana/web3.js";
/**
 * Parameters to set fee rate for a Whirlpool.
 *
 * @category Instruction Types
 * @param whirlpool - PublicKey for the whirlpool to update. This whirlpool has to be part of the provided WhirlpoolsConfig space.
 * @param whirlpoolsConfig - The public key for the WhirlpoolsConfig this pool is initialized in
 * @param feeAuthority - Authority authorized in the WhirlpoolsConfig to set default fee rates.
 * @param feeRate - The new fee rate for this fee-tier. Stored as a hundredths of a basis point.
 */
export declare type SetFeeRateParams = {
    whirlpool: PublicKey;
    whirlpoolsConfig: PublicKey;
    feeAuthority: PublicKey;
    feeRate: number;
};
/**
 * Sets the fee rate for a Whirlpool.
 * Only the current fee authority has permission to invoke this instruction.
 *
 * #### Special Errors
 * - `FeeRateMaxExceeded` - If the provided fee_rate exceeds MAX_FEE_RATE.
 *
 * @category Instructions
 * @param context - Context object containing services required to generate the instruction
 * @param params - SetFeeRateParams object
 * @returns - Instruction to perform the action.
 */
export declare function setFeeRateIx(program: Program<Whirlpool>, params: SetFeeRateParams): Instruction;