/******************************************************************************
 * Spine Runtimes License Agreement
 * Last updated July 28, 2023. Replaces all prior versions.
 *
 * Copyright (c) 2013-2023, Esoteric Software LLC
 *
 * Integration of the Spine Runtimes into software or otherwise creating
 * derivative works of the Spine Runtimes is permitted under the terms and
 * conditions of Section 2 of the Spine Editor License Agreement:
 * http://esotericsoftware.com/spine-editor-license
 *
 * Otherwise, it is permitted to integrate the Spine Runtimes into software or
 * otherwise create derivative works of the Spine Runtimes (collectively,
 * "Products"), provided that each user of the Products must obtain their own
 * Spine Editor license and redistribution of the Products in any form must
 * include this license and copyright notice.
 *
 * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
 * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 *****************************************************************************/
import { Animation } from "./Animation.js";
import { SkeletonData } from "./SkeletonData.js";
import { StringMap } from "./Utils.js";
/** Stores mix (crossfade) durations to be applied when {@link AnimationState} animations are changed. */
export declare class AnimationStateData {
    /** The SkeletonData to look up animations when they are specified by name. */
    skeletonData: SkeletonData;
    animationToMixTime: StringMap<number>;
    /** The mix duration to use when no mix duration has been defined between two animations. */
    defaultMix: number;
    constructor(skeletonData: SkeletonData);
    /** Sets a mix duration by animation name.
     *
     * See {@link #setMixWith()}. */
    setMix(fromName: string, toName: string, duration: number): void;
    /** Sets the mix duration when changing from the specified animation to the other.
     *
     * See {@link TrackEntry#mixDuration}. */
    setMixWith(from: Animation, to: Animation, duration: number): void;
    /** Returns the mix duration to use when changing from the specified animation to the other, or the {@link #defaultMix} if
      * no mix duration has been set. */
    getMix(from: Animation, to: Animation): number;
}