import { type MarkerInteractionState } from '../types/marker.js';
type ThemeOptions = 'light' | 'dark';
/**
 * Gets the proper slope for the BrightnessFilter depending on the theme and the state of the marker
 *
 * @param theme -
 * @param state -
 */
export declare const getMarkerBrightnessBasedOnState: (theme: ThemeOptions, state: MarkerInteractionState) => number;
export {};