import { SolarCoordinates } from "./solar-coordinates";
import type { Coordinates } from "../../types";
export type Shafaq = "general" | "ahmer" | "abyad";
export declare function approximateTransit(longitude: number, siderealTime: number, rightAscension: number): number;
export declare function correctedTransit(approximateTransit: number, longitude: number, siderealTime: number, rightAscension: number, previousRightAscension: number, nextRightAscension: number): number;
export declare function correctedHourAngle(approximateTransit: number, angle: number, coordinates: Coordinates, afterTransit: boolean, siderealTime: number, rightAscension: number, previousRightAscension: number, nextRightAscension: number, declination: number, previousDeclination: number, nextDeclination: number): number;
export declare function calculateSolarCoordinatesForDays(date: Date): {
    current: SolarCoordinates;
    previous: SolarCoordinates;
    next: SolarCoordinates;
};
export declare function seasonAdjustedMorningTwilight(latitude: number, dayOfYearValue: number, year: number, sunrise: Date): Date;
export declare function seasonAdjustedEveningTwilight(latitude: number, dayOfYearValue: number, year: number, sunset: Date, shafaq?: Shafaq): Date;
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