import type { AccessibilitySettings } from "../../../../core/domain/types.js";
import type { Dimensions } from "../../../../core/domain/types.js";
import type { StarConfig, Star, MoonIllumination } from "../../domain/models/cosmic-models.js";
/**
 * Service for cosmic calculations and star generation
 */
export interface ICosmicCalculationService {
    /**
     * Generate a random float between min and max
     */
    randFloat(min: number, max: number): number;
    /**
     * Generate a random integer between min and max (inclusive)
     */
    randInt(min: number, max: number): number;
    /**
     * Pick a random item from an array
     */
    randItem<T>(arr: T[]): T;
    /**
     * Create a star with randomized properties
     */
    makeStar(dimensions: Dimensions, config: StarConfig, accessibility: AccessibilitySettings): Star;
    /**
     * Calculate moon illumination data for a given date and observer location.
     * @param date - The date/time to calculate for
     * @param latitude - Observer's latitude in degrees (positive = north, negative = south)
     */
    getMoonIllumination(date: Date, latitude?: number): MoonIllumination;
    /**
     * Set the observer's latitude for location-aware calculations.
     * @param latitude - Latitude in degrees (-90 to 90)
     */
    setObserverLatitude(latitude: number): void;
    /**
     * Get the current observer latitude.
     */
    getObserverLatitude(): number;
}
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