/******************************************************************************
 * 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
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE
 * SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/
import { Attachment } from "./attachments/Attachment.js";
import { Bone } from "./Bone.js";
import { Skeleton } from "./Skeleton.js";
import { SlotData } from "./SlotData.js";
import { Color } from "./Utils.js";
/** Stores a slot's current pose. Slots organize attachments for {@link Skeleton#drawOrder} purposes and provide a place to store
 * state for an attachment. State cannot be stored in an attachment itself because attachments are stateless and may be shared
 * across multiple skeletons. */
export declare class Slot {
    /** The slot's setup pose data. */
    data: SlotData;
    /** The bone this slot belongs to. */
    bone: Bone;
    /** The color used to tint the slot's attachment. If {@link #getDarkColor()} is set, this is used as the light color for two
     * color tinting. */
    color: Color;
    /** The dark color used to tint the slot's attachment for two color tinting, or null if two color tinting is not used. The dark
     * color's alpha is not used. */
    darkColor: Color | null;
    attachment: Attachment | null;
    attachmentState: number;
    /** The index of the texture region to display when the slot's attachment has a {@link Sequence}. -1 represents the
     * {@link Sequence#getSetupIndex()}. */
    sequenceIndex: number;
    /** Values to deform the slot's attachment. For an unweighted mesh, the entries are local positions for each vertex. For a
     * weighted mesh, the entries are an offset for each vertex which will be added to the mesh's local vertex positions.
     *
     * See {@link VertexAttachment#computeWorldVertices()} and {@link DeformTimeline}. */
    deform: number[];
    constructor(data: SlotData, bone: Bone);
    /** The skeleton this slot belongs to. */
    getSkeleton(): Skeleton;
    /** The current attachment for the slot, or null if the slot has no attachment. */
    getAttachment(): Attachment | null;
    /** Sets the slot's attachment and, if the attachment changed, resets {@link #sequenceIndex} and clears the {@link #deform}.
     * The deform is not cleared if the old attachment has the same {@link VertexAttachment#getTimelineAttachment()} as the
     * specified attachment. */
    setAttachment(attachment: Attachment | null): void;
    /** Sets this slot to the setup pose. */
    setToSetupPose(): void;
}