import { EphemerisEngine } from '../engine/ephemeris.js';
import { DateTime } from 'luxon';
export type HouseSystemMethod = 'WholeSign' | 'Equal' | 'Placidus' | 'Porphyry';
export interface HouseResult {
    system: HouseSystemMethod;
    cusps: number[];
    ascendant: number;
    mc: number;
    vertex?: number;
    armc: number;
}
/**
 * Calculates House Cusps using manual trigonometric formulas for Ascendant/MC (First Principles),
 * passing dependency on broken `swe_houses`.
 */
export declare function calculateHouseCusps(date: DateTime, lat: number, lon: number, method?: HouseSystemMethod, engineInstance?: EphemerisEngine, ayanamsaMode?: number, ayanamsaOffset?: number): HouseResult;
/**
 * Calculates Bhava Madhya (Middle of House) and Sandhi (Junction/Start/End).
 */
export declare function calculateBhavaSandhi(cusps: number[]): {
    start: number;
    middle: number;
    end: number;
}[];