export type Daynight = (options?: DaynightOptions) => DaynightResult;
export interface DaynightOptions {
    /**
     * Force the timezone for the calculation
     * See [Advanced Usage][https://github.com/romanyanke/daynight#advanced-usage]
     */
    timezone?: string;
    /**
     * Force the date for the calculation
     * See [Advanced Usage][https://github.com/romanyanke/daynight#advanced-usage]
     */
    date?: Date;
}
export type DaynightTheme = 'day' | 'night';
export interface DaynightResult {
    /**
     * The theme of the daynight: `day` when the `light` is true, `night` when the `dark` is true.
     */
    theme: DaynightTheme;
    /**
     * The brightness of the daynight. The value from 0 to 1.
     * See [Brightness Calculation](https://github.com/romanyanke/daynight#brightness-calculation)
     */
    brightness: number;
    /**
     * The timezone used for the calculation
     */
    timezone: string;
    /**
     * Coordinates of the center of the timezone
     */
    coordinates: [number, number];
    /**
     * True if the sun is above the horizon
     */
    light: boolean;
    /**
     * True if the sun is below the horizon
     */
    dark: boolean;
    /**
     * Estimated time of sunset
     */
    sunset: Date;
    /**
     * Estimated time of sunrise
     */
    sunrise: Date;
}
export declare const daynight: Daynight;