import type { DataXY } from 'cheminfo-types'; import type { SGGOptions } from 'ml-savitzky-golay-generalized'; export interface FirstDerivativeFilter { name: 'firstDerivative'; options?: FirstDerivativeOptions; } export type FirstDerivativeOptions = Omit; /** * Calculate the first derivative using Savitzky–Golay filter. * @param data * @param options */ export declare function firstDerivative(data: DataXY, options?: FirstDerivativeOptions): { data: DataXY; }; //# sourceMappingURL=firstDerivative.d.ts.map