/**
 * Shadow length calculation methods
 */
export declare enum ShadowMethod {
    /**
     * Shafi, Maliki, and Hanbali madhabs use this method
     * Asr time starts when shadow length equals object height plus shadow length at noon
     */
    Standard = "standard",
    /**
     * Hanafi madhab uses this method
     * Asr time starts when shadow length equals twice object height plus shadow length at noon
     */
    Hanafi = "hanafi"
}
/**
 * Calculates the shadow length for Asr prayer
 * @param method The shadow calculation method
 * @returns The shadow length multiplier
 */
export declare function getShadowLengthMultiplier(method: ShadowMethod): number;
/**
 * Calculates the angle for Asr prayer based on shadow length
 * @param latitude The latitude in degrees
 * @param declination The solar declination in degrees
 * @param shadowLength The shadow length multiplier
 * @returns The angle in degrees
 */
export declare function calculateAsrAngle(latitude: number, declination: number, shadowLength: number): number;