import { Track } from './animation/tracks/track';
import * as Data from './data';
import { ZComponent } from './zcomponent';
import { Clip } from './animation/clips/clip';
import { Animation } from './animation/animation';
import { LayerClip } from './animation/layerclip';
import { Layer } from './animation/layer';
import { ByID } from './data';
import { Bezier } from './animation/bezier';
import { Keyframe } from './animation/keyframe';
/**
 * Creates a track from the provided data.
 *
 * This function processes the given track data and creates an appropriate track instance based on the track type.
 * @param zcomp - The ZComponent instance.
 * @param anim - The Animation instance to which the track will belong.
 * @param data - The data object defining the track.
 * @returns A Track instance if successful, or undefined if the track cannot be created.
 */
export declare function createTrackFromData(zcomp: ZComponent, anim: Animation, data: Data.Track): Track | undefined;
/**
 * Processes keyframe data to handle easing via bezier curves.
 *
 * This function iterates over the provided keyframes and applies bezier curve transformations to keyframes with defined easing properties.
 * @param keyframes - The object containing keyframe data.
 * @param beziers - The object containing bezier curve definitions.
 * @returns A transformed set of keyframes with bezier curves applied.
 */
export declare function processKeyframes(keyframes: ByID<Data.Keyframe>, beziers: ByID<Bezier>): {
    [id: string]: Keyframe;
};
/**
 * Creates a Clip instance from provided data.
 *
 * This function constructs a new Clip instance using the given data, determining its length either from the data or by calculating it from track keyframes.
 * @param zcomp - The ZComponent instance.
 * @param anim - The Animation instance to which the clip will belong.
 * @param data - The data object defining the clip.
 * @returns A new Clip instance.
 */
export declare function createClipFromData(zcomp: ZComponent, anim: Animation, data: Data.Clip): Clip;
/**
 * Updates a Clip instance with data from a Data.Clip object.
 *
 * This function modifies an existing Clip instance, updating its properties and tracks based on the provided data.
 * @param zcomp - The ZComponent instance.
 * @param clip - The Clip instance to update.
 * @param data - The data object defining the updates for the clip.
 */
export declare function updateClipFromData(zcomp: ZComponent, clip: Clip, data: Data.Clip): void;
/**
 * Creates a LayerClip from provided data.
 *
 * This function constructs a new LayerClip instance using the given data, setting properties like playback speed, looping, and play-at-start.
 * @param zcomp - The ZComponent instance.
 * @param layer - The Layer instance to which the LayerClip will belong.
 * @param data - The data object defining the LayerClip.
 * @returns A new LayerClip instance if successful, or undefined if the clip cannot be created.
 */
export declare function createLayerClipFromData(zcomp: ZComponent, layer: Layer, data: Data.LayerClip): LayerClip | undefined;
/**
 * Creates a Layer from provided data.
 *
 * This function constructs a new Layer instance using the given data, setting properties like active state and default fade parameters.
 * @param zcomp - The ZComponent instance.
 * @param anim - The Animation instance to which the layer will belong.
 * @param data - The data object defining the Layer.
 * @returns A new Layer instance if successful, or undefined if the layer cannot be created.
 */
export declare function createLayerFromData(zcomp: ZComponent, anim: Animation, data: Data.Layer): Layer | undefined;
/**
 * Populates an Animation instance with tracks from provided data.
 *
 * This function iterates over the provided animation data, creating and adding tracks to the animation's clips.
 * @param zcomp - The ZComponent instance.
 * @param anim - The Animation instance to populate.
 * @param data - The data object containing information about the animation.
 */
export declare function populateAnimationTracksFromData(zcomp: ZComponent, anim: Animation, data: Data.Animation): void;
/**
 * Constructs the structure of an Animation instance from provided data.
 *
 * This function builds the structure of an animation, including creating clips, layers, and setting up bezier curves.
 * @param zcomp - The ZComponent instance.
 * @param anim - The Animation instance to construct.
 * @param data - The data object containing information about the animation.
 */
export declare function populateAnimationStructureFromData(zcomp: ZComponent, anim: Animation, data: Data.Animation): void;