import type { Entity } from "../../core/Entity";
import { Mechanism } from "../../core/Mechanism";
import type { Obstruction } from "../entities/widgets/sprites/units/Obstruction";
import type { Game } from "../Game";
export declare class ObstructionPlacement extends Mechanism {
    private game;
    private plannedObstruction;
    private pathable;
    private mouse;
    private grids;
    private gridEntity;
    private blueprint?;
    private lastRadius?;
    private added;
    private _builder?;
    constructor(game: Game);
    snap(v: number): number;
    private getGrid;
    private newGrid;
    private updateCells;
    render(): void;
    private x;
    private y;
    private updatePosition;
    private updateSize;
    start(obstruction: typeof Obstruction, builder?: Entity): void;
    stop(): void;
    get active(): typeof Obstruction | undefined;
    get valid(): boolean;
    get builder(): Entity | undefined;
}