/**
 * Geo Location Provider Interface
 *
 * Provides geographic coordinates for location-dependent features
 * like moon phase calculations based on user's latitude.
 *
 * Consumers can provide their own implementation or use the default
 * which assumes northern hemisphere (45° latitude).
 */
export interface IGeoLocationProvider {
    getCoordinates(): Promise<{
        latitude: number;
        longitude: number;
    } | null>;
    isAvailable(): boolean;
}
/**
 * Default geo location provider that returns a reasonable default
 * for northern hemisphere users (roughly central US/Europe latitude).
 */
export declare class DefaultGeoLocationProvider implements IGeoLocationProvider {
    getCoordinates(): Promise<{
        latitude: number;
        longitude: number;
    } | null>;
    isAvailable(): boolean;
}
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