/**
 * Enrich an {@link interpretationContext} with diachronic and Vedic facts at a
 * target instant — transits, time-lords, nakshatras, vargas, yogas.
 */
import { type Chart, type Engine, type Zodiac } from "./chart.js";
import type { ContextOptions } from "./interpretation.js";
export interface EnrichTarget {
    jd: number;
    lat: number;
    lonEast: number;
    zodiac?: Zodiac;
}
export interface EnrichFlags {
    /** Project transit-to-natal aspects. Default true. */
    transits?: boolean;
    /** Project profection, ZR, firdaria, dasha. Default true. */
    timelords?: boolean;
    /** Project nakshatras, D9, yogas. Default true when chart zodiac is sidereal. */
    vedic?: boolean;
    /** Max orb for transit aspects. Default 3. */
    transitOrb?: number;
}
/**
 * Build {@link ContextOptions} extras for a natal chart evaluated at `target`.
 * Merge the result into `interpretationContext(chart, { ...base, ...extras })`.
 */
export declare function enrichContextOptions(engine: Engine, chart: Chart, target: EnrichTarget, flags?: EnrichFlags): Pick<ContextOptions, "transits" | "timelords" | "vedic">;
/** Synastry and composite atoms for two natal charts (A is the projection base). */
export declare function enrichSynastryOptions(engine: Engine, chartA: Chart, chartB: Chart, opts?: {
    orb?: number;
    zodiac?: Zodiac;
}): Pick<ContextOptions, "synastry" | "composite">;