import I_Grid from '../Grid/I_Grid';
import I_NavigatorTile from '../NavigatorTile/I_NavigatorTile';
import I_Obstacles from './I_Obstacles';
export default class Obstacles implements I_Obstacles {
    private readonly openList;
    private readonly closedList;
    constructor({ tiles }: I_Grid);
    get list(): I_NavigatorTile[];
    add(tile: I_NavigatorTile): boolean;
    remove(tile: I_NavigatorTile): boolean;
    addRandom(count?: number): I_NavigatorTile | I_NavigatorTile[] | null;
    removeRandom(count?: number): I_NavigatorTile | I_NavigatorTile[] | null;
    getRandomOpen(): I_NavigatorTile | null;
    private getRandom;
    private manipulateMultipleRandom;
    private manipulateSingleRandom;
    private manipulate;
}
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