import { MovementState } from "../managers/MovementState.js";
import { Strategy } from "./Strategy.js";
/**
 * A boost strategy.
 *
 * @group Strategies
 */
export declare class BoostStrategy implements Strategy {
    /**
     * A movement state.
     */
    private readonly movementState;
    /**
     * Constructs a new boost strategy.
     *
     * @param movementState - A movement state.
     */
    constructor(movementState: MovementState);
    execute(flag: boolean): void;
}