import type { IMmdAnimation } from "./IMmdAnimation";
import type { MmdBoneAnimationTrack, MmdCameraAnimationTrack, MmdMorphAnimationTrack, MmdMovableBoneAnimationTrack, MmdPropertyAnimationTrack } from "./mmdAnimationTrack";
/**
 * Represents mmd animation data
 *
 * Internally, it uses typed arrays to store animation data for better performance
 *
 * Therefore, it is not compatible with existing Babylon.js animation systems.
 *
 * You can save one mesh animation and one camera animation in one `MmdAnimation` instance
 */
export declare class MmdAnimation implements IMmdAnimation {
    /**
     * Animation name for identification
     */
    readonly name: string;
    /**
     * Bone animation tracks for one `mesh.skeleton`
     *
     * it contains rotation and rotation cubic interpolation data
     */
    readonly boneTracks: readonly MmdBoneAnimationTrack[];
    /**
     * Moveable bone animation tracks for one `mesh.skeleton`
     *
     * it contains position, rotation and their cubic interpolation data
     */
    readonly moveableBoneTracks: readonly MmdMovableBoneAnimationTrack[];
    /**
     * Morph animation tracks for one `mesh.morphTargetManager`
     *
     * it contains weight and weight linear interpolation data
     */
    readonly morphTracks: readonly MmdMorphAnimationTrack[];
    /**
     * Property animation track for one `mmdModel`
     *
     * it contains visibility and ik toggle keyframe data
     */
    readonly propertyTrack: MmdPropertyAnimationTrack;
    /**
     * Camera animation track for one `mmdCamera`
     *
     * it contains position, rotation, distance and fov cubic interpolation data
     */
    readonly cameraTrack: MmdCameraAnimationTrack;
    /**
     * The start frame of this animation
     */
    readonly startFrame: number;
    /**
     * The end frame of this animation
     */
    readonly endFrame: number;
    /**
     * Create a new `MmdAnimation` instance
     * @param name animation name for identification
     * @param boneTracks bone animation tracks
     * @param moveableBoneTracks moveable bone animation tracks
     * @param morphTracks morph animation tracks
     * @param propertyTrack property animation track
     * @param cameraTrack camera animation track
     */
    constructor(name: string, boneTracks: readonly MmdBoneAnimationTrack[], moveableBoneTracks: readonly MmdMovableBoneAnimationTrack[], morphTracks: readonly MmdMorphAnimationTrack[], propertyTrack: MmdPropertyAnimationTrack, cameraTrack: MmdCameraAnimationTrack);
    /**
     * Check if all animation tracks are valid(sorted)
     * @returns true if all animation tracks are valid
     */
    validate(): boolean;
}