import { Behavior, ContextManager, Observable } from '@zcomponent/core';
import { GLTF } from '../components/models/GLTF';
/**
 * Represents the properties required to construct a MorphTarget Behavior.
 */
interface MorphTargetConstructorProps {
    /**
     * @zprop
     * @zvalues morphtargets
     */
    name: string;
}
/**
 * A behavior that controls the influence of a morph target.
 *
 * This behavior is registered to run at design time.
 * @zbehavior
 * @zparents three/Object3D/GLTF
 */
export declare class MorphTarget extends Behavior<GLTF> {
    protected constructorProps: MorphTargetConstructorProps;
    /**
     * The influence of the morph target.
     * @zprop
     * @zdefault 0
     * @ztype proportion
     */
    influence: Observable<number, never>;
    private _targets;
    /**
     * Constructs a new MorphTarget Behavior.
     * @param contextManager - The context manager.
     * @param instance - The GLTF instance.
     * @param constructorProps - The properties required to construct the MorphTarget Behavior.
     */
    constructor(contextManager: ContextManager, instance: GLTF, constructorProps: MorphTargetConstructorProps);
    private _update;
    private _initialize;
}
export {};