import { MapBrowserEvent } from 'ol';
/** Ol condition function signature. */
export type conditionFn = (mapBrowserEvent: MapBrowserEvent) => boolean;
/** Ol condition callback signature for function without params. */
export type callBackFn = (mapBrowserEvent: MapBrowserEvent) => void;
/**
 * Handy function that can be used as condition without using the condition signature.
 * @param testFn The function to execute as a condition (without params).
 * @returns an Ol condition function.
 */
export declare const condition: (testFn: () => boolean) => conditionFn;
/**
 * @param condition The condition to test.
 * @param callback A callback to execute if the condition is fulfilled.
 * @returns a condition function that check the given condition.
 * If the condition is truthy, execute the callback.
 */
export declare const conditionThen: (condition: conditionFn, callback: callBackFn) => conditionFn;