import { SolanaPriorityFeeResponse } from './solanaPriorityFeeMethod';
import { PriorityFeeStrategy } from './types';
declare class EwmaStrategy implements PriorityFeeStrategy {
    private halfLife;
    /**
     * @param halfLife The half life of the EWMA in slots. Default is 25 slots, approx 10 seconds.
     */
    constructor(halfLife?: number);
    calculate(samples: SolanaPriorityFeeResponse[]): number;
}
export { EwmaStrategy };