/******************************************************************************
 * Spine Runtimes License Agreement
 * Last updated April 5, 2025. Replaces all prior versions.
 *
 * Copyright (c) 2013-2025, 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 type { SlotPose } from "../SlotPose.js";
import type { TextureRegion } from "../Texture.js";
import { type NumberArrayLike } from "../Utils.js";
import type { HasSequence } from "./HasSequence.js";
/** Holds texture regions, UVs, and vertex offsets for rendering a region or mesh attachment. {@link regions Regions} must be
 * populated and {@link update} called before use. */
export declare class Sequence {
    private static _nextID;
    id: number;
    /** The list of texture regions this sequence will display. */
    regions: Array<TextureRegion | null>;
    readonly pathSuffix: boolean;
    uvs?: NumberArrayLike[];
    /** Returns vertex offsets from the center of a {@link RegionAttachment}. Invalid to call for a {@link MeshAttachment}. */
    offsets?: number[][];
    /** The starting number for the numeric {@link getPath | path} suffix. */
    start: number;
    /** The minimum number of digits in the numeric {@link getPath | path} suffix, for zero padding. 0 for no zero
     * padding. */
    digits: number;
    /** The index of the region to show for the setup pose. */
    setupIndex: number;
    /** @param count The number of texture regions this sequence will display.
     * @param pathSuffix If true, the {@link getPath | path} has a numeric suffix. If false, all regions will use the
     * same path, so `count` should be 1. */
    constructor(count: number, pathSuffix: boolean);
    copy(): Sequence;
    /** Computes UVs and offsets for the specified attachment. Must be called if the regions or attachment properties are
      * changed. */
    update(attachment: HasSequence): void;
    /** Returns the {@link regions} index for the {@link SlotPose.getSequenceIndex}. */
    resolveIndex(pose: SlotPose): number;
    /** Returns the UVs for the specified index. {@link regions Regions} must be populated and {@link update} called
      * before calling this method. */
    getUVs(index: number): Float32Array;
    /** Returns true if the {@link getPath | path} has a numeric suffix. */
    hasPathSuffix(): boolean;
    /** Returns the specified base path with an optional numeric suffix for the specified index. */
    getPath(basePath: string, index: number): string;
    private static nextID;
}
/** Controls how {@link Sequence.regions} are displayed over time. */
export declare enum SequenceMode {
    hold = 0,
    once = 1,
    loop = 2,
    pingpong = 3,
    onceReverse = 4,
    loopReverse = 5,
    pingpongReverse = 6
}
export declare const SequenceModeValues: SequenceMode[];