import { Connection, PublicKey } from '@solana/web3.js';
import { SolanaPriorityFeeResponse } from './solanaPriorityFeeMethod';
import { HeliusPriorityFeeResponse } from './heliusPriorityFeeMethod';
export interface PriorityFeeStrategy {
    calculate(samples: SolanaPriorityFeeResponse[] | HeliusPriorityFeeResponse): number;
}
export declare enum PriorityFeeMethod {
    SOLANA = "solana",
    HELIUS = "helius"
}
export type PriorityFeeSubscriberConfig = {
    connection?: Connection;
    frequencyMs: number;
    addresses: PublicKey[];
    customStrategy?: PriorityFeeStrategy;
    priorityFeeMethod?: PriorityFeeMethod;
    slotsToCheck?: number;
    heliusRpcUrl?: string;
    maxFeeMicroLamports?: number;
};