/**
 * astroengine yogini -- the Yogini dasha, a 36-year nakshatra-based dasha cycle.
 *
 * Eight yoginis rule in a fixed order with periods 1..8 years (totalling 36):
 * Mangala (Moon) 1, Pingala (Sun) 2, Dhanya (Jupiter) 3, Bhramari (Mars) 4,
 * Bhadrika (Mercury) 5, Ulka (Saturn) 6, Siddha (Venus) 7, Sankata (Rahu) 8.
 * The starting yogini comes from the Moon's birth nakshatra: (nakshatra number
 * + 3) mod 8, a remainder of 0 meaning the 8th. As in Vimshottari, the elapsed
 * portion of the first period is the fraction of the nakshatra the Moon has
 * traversed, and each period subdivides into eight proportional sub-periods.
 * Mirrors the Python reference (astroengine/yogini.py); the golden fixtures pin
 * the two together.
 */
import { Engine, Zodiac } from "./chart.js";
export declare const YOGINIS: readonly ["Mangala", "Pingala", "Dhanya", "Bhramari", "Bhadrika", "Ulka", "Siddha", "Sankata"];
export declare const YOGINI_LORDS: Record<(typeof YOGINIS)[number], string>;
/** Period in years by yogini index (Mangala..Sankata), totalling 36. */
export declare const YOGINI_YEARS: readonly [1, 2, 3, 4, 5, 6, 7, 8];
/** 0-based starting yogini index from the Moon's nakshatra index (0-based):
 *  (nakshatra number + 3) mod 8, a remainder of 0 mapping to the 8th. */
export declare function startingYogini(nakIndex: number): number;
export interface YoginiSub {
    yogini: string;
    lord: string;
    start: number;
    end: number;
}
export interface YoginiPeriod {
    level: number;
    yogini: string;
    lord: string;
    years: number;
    start: number;
    end: number;
    sub: YoginiSub[];
}
export interface YoginiTimeline {
    start_yogini: string;
    balance_years: number;
    dashas: YoginiPeriod[];
}
/** The Yogini dasha timeline from the Moon's sidereal longitude. */
export declare function yoginiDashas(moonLon: number, natalJd: number, levels?: number, yearLength?: number, count?: number): YoginiTimeline;
export interface YoginiActive {
    maha: string;
    antar: string | null;
}
/** The maha and antar yogini active at targetJd; null before the first period. */
export declare function yoginiActive(moonLon: number, natalJd: number, targetJd: number, yearLength?: number): YoginiActive | null;
/** Yogini dasha active at targetJd, from the natal Moon's nakshatra. */
export declare function yoginiAt(engine: Engine, natalJd: number, targetJd: number, zodiac?: Zodiac, yearLength?: number): {
    moon_nakshatra: string;
    start_yogini: string;
} & Partial<YoginiActive>;