import { b2TimeStep, b2Mat22 } from "@box2d/core";
import { b2Controller } from "./b2_controller";
/**
 * Applies top down linear damping to the controlled bodies
 * The damping is calculated by multiplying velocity by a matrix
 * in local co-ordinates.
 */
export declare class b2TensorDampingController extends b2Controller {
    /** Tensor to use in damping model */
    readonly T: b2Mat22;
    /** Set this to a positive number to clamp the maximum amount of damping done. */
    maxTimestep: number;
    /**
     * @see b2Controller::Step
     */
    Step(step: b2TimeStep): void;
    /**
     * Sets damping independantly along the x and y axes
     */
    SetAxisAligned(xDamping: number, yDamping: number): void;
}
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