import type { JSX } from 'solid-js';
export type NeptuneBackgroundProps = {
    /** Primary theme color (hex). */
    primaryColor: string;
    /** True after the user has sent the first message. */
    hasStarted: boolean;
};
/**
 * Neptune background.
 * State 1: WebGL laser-beam effect (LaserBeam).
 * State 2: Fades to a simple gradient once conversation starts.
 */
export default function NeptuneBackground(props: NeptuneBackgroundProps): JSX.Element;