/******************************************************************************
 * Spine Runtimes License Agreement
 * Last updated May 1, 2019. Replaces all prior versions.
 *
 * Copyright (c) 2013-2019, 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.
 *
 * THIS SOFTWARE IS 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 (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/
import { PathConstraintData } from "./PathConstraintData";
import { Bone } from "./Bone";
import { Slot } from "./Slot";
import { PathAttachment } from "./attachments/PathAttachment";
import { Skeleton } from "./Skeleton";
import { Updatable } from "./Updatable";
export declare class PathConstraint implements Updatable {
    static NONE: number;
    static BEFORE: number;
    static AFTER: number;
    static epsilon: number;
    data: PathConstraintData;
    bones: Array<Bone>;
    target: Slot;
    position: number;
    spacing: number;
    rotateMix: number;
    translateMix: number;
    spaces: number[];
    positions: number[];
    world: number[];
    curves: number[];
    lengths: number[];
    segments: number[];
    active: boolean;
    constructor(data: PathConstraintData, skeleton: Skeleton);
    isActive(): boolean;
    apply(): void;
    update(): void;
    computeWorldPositions(path: PathAttachment, spacesCount: number, tangents: boolean, percentPosition: boolean, percentSpacing: boolean): number[];
    addBeforePosition(p: number, temp: Array<number>, i: number, out: Array<number>, o: number): void;
    addAfterPosition(p: number, temp: Array<number>, i: number, out: Array<number>, o: number): void;
    addCurvePosition(p: number, x1: number, y1: number, cx1: number, cy1: number, cx2: number, cy2: number, x2: number, y2: number, out: Array<number>, o: number, tangents: boolean): void;
}