/**
 * Vimshottari dasha — the 120-year planetary period cycle, seeded by the
 * Moon's nakshatra at birth. Years are 365.25 days (the panchang-software
 * convention); periods already elapsed at birth are omitted, and the
 * antardasha running at birth is clipped to start at the birth instant.
 */
import type { Graha } from './names.js';
/** Mahadasha lords in Vimshottari order, starting from Ashwini's lord. */
export declare const DASHA_ORDER: readonly Graha[];
/** Mahadasha lengths in years; the nine sum to 120. */
export declare const DASHA_YEARS: Readonly<Record<string, number>>;
export interface DashaPeriod {
    lord: Graha;
    start: Date;
    end: Date;
}
export interface Mahadasha extends DashaPeriod {
    antardashas: DashaPeriod[];
}
export interface Vimshottari {
    /** Lord of the mahadasha running at birth. */
    birthLord: Graha;
    /** Years of the birth mahadasha remaining at birth (365.25-day years). */
    balanceYears: number;
    /** One full cycle from birth: the clipped birth mahadasha + 8 more. */
    mahadashas: Mahadasha[];
}
/**
 * The Vimshottari dasha timeline for a birth.
 *
 * @example
 * ```ts
 * const v = vimshottari(127.2033, new Date('1993-08-18T05:15:00Z'));
 * // v.birthLord     → 'ketu'   (Moon in Magha)
 * // v.balanceYears  → ≈3.218
 * // v.mahadashas[3] → { lord: 'moon', start: ≈2022-11-05, … }
 * ```
 */
export declare function vimshottari(moonSiderealLongitude: number, birth: Date): Vimshottari;
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