import { Bezier as BezierData, predefinedCurve } from '../data';
export type Easing = keyof typeof predefinedCurve | null | Bezier;
/**
 * Cass to generate and evaluate multiple Bezier curve segments based on provided control points.
 */
export declare class Bezier {
    private _curves;
    private _curveEvaluator;
    /**
     * Creates an instance of Bezier.
     * @param curves An array of control points for each Bezier curve segment.
     */
    constructor(curves: BezierData[]);
    /**
     * Updates the curves without creating a new instance.
     * @param curves An array of control points for each Bezier curve segment.
     */
    updateCurves(curves: BezierData[]): void;
    evaluate(t: number, epsilon?: number): number;
}
/**
 * Applies easing to a given time value using pre-defined curves, custom Bezier instances, or returns linear progression if no easing is specified.
 * A cache is implemented to store and reuse Bezier instances for pre-defined easing types to enhance performance.
 */
export declare function computeEasing(t: number, easing?: Easing): number;