import type { Spectrum } from 'nmr-correlation';
import type { SpectrumFTData } from '../../../component/hooks/use2DReducer.tsx';
interface Level {
    positive: ContourItem;
    negative: ContourItem;
}
type ContourLevels = [number, number];
interface ContourItem {
    contourLevels: ContourLevels;
    numberOfLayers: number;
}
interface ContourOptions {
    positive: ContourItem;
    negative: ContourItem;
}
interface BaseWheelOptions {
    altKey: boolean;
    invertScroll?: boolean;
}
type LevelSign = keyof Level;
interface ReturnContoursManager {
    wheel: (value: number, options: BaseWheelOptions) => Level;
    getLevel: () => Level;
    checkLevel: () => Level;
}
declare function contoursManager(options: ContourOptions): ReturnContoursManager;
declare function drawContours(level: ContourItem, spectrum: SpectrumFTData, negative?: boolean): import("ml-conrec").DrawContourResult<"basic">;
export declare function initializeContoursLevels(spectrum: any): ContourOptions;
export declare function initializeContours(spectra: Spectrum[]): Record<string, ContourOptions>;
export { contoursManager, drawContours };
export type { LevelSign };
//# sourceMappingURL=contours.d.ts.map