import type { DataXY } from 'cheminfo-types';
import type { SGGOptions } from 'ml-savitzky-golay-generalized';
export interface SecondDerivativeFilter {
    name: 'secondDerivative';
    options?: SecondDerivativeOptions;
}
export type SecondDerivativeOptions = Omit<SGGOptions, 'derivative'>;
/**
 * Calculate the second derivative using Savitzky–Golay filter.
 * @param data
 * @param options
 */
export declare function secondDerivative(data: DataXY<Float64Array>, options?: SecondDerivativeOptions): {
    data: DataXY<Float64Array>;
};
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