import Bezier from "bezier-js";
/**
 * A simple bezier curve wrapper that can be used for transitions (x axis represents time)
 */
export declare class TransitionBezier {
    protected bezier: Bezier;
    protected start: number;
    protected duration: number;
    /**
     * Creates a new transition bezier curve with the given easing
     * @param data The transition data
     */
    constructor({ bezier, start, duration, inEase, outEase, }: {
        /** A custom bezier to use */
        bezier?: Bezier;
        /** The start time of the transition */
        start?: number;
        /** The duration of the transition */
        duration: number;
        /** The amount of easing into the transition (0-1) */
        inEase?: number;
        /** The amount of easing out of the transition (0-1) */
        outEase?: number;
    });
    /**
     * Retrieves the value for the given time
     * @param time The time
     * @returns The value
     */
    get(time: number): number;
    /**
     * Creates a new bezier that branches from this bezier with the same velocity
     * @param time The time to branch at
     * @param data The new bezier data
     * @returns The created bezier
     */
    branch(time: number, data: {
        /** The start time of the transition */
        start?: number;
        /** The duration of the transition */
        duration: number;
        /** The amount of easing out of the transition (0-1) */
        outEase?: number;
    }): TransitionBezier;
}
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