import { Object3D, AnimationMixer, AnimationAction, AnimationClip } from 'three';
import { NamedFunction1, NamedFunction2, NamedFunction3, NamedFunction5, ObjectNamedFunction0 } from './_Base';
export declare function findOrCreateAnimationMixer(object3D: Object3D): AnimationMixer;
export declare function animationClipsFromAnimationMixer(animationMixer: AnimationMixer): AnimationClip[] | undefined;
export declare function existingAnimationActionsFromAnimationMixer(animationMixer: AnimationMixer): AnimationAction[];
export declare function getMostActiveAnimationActionFromMixer(animationMixer: AnimationMixer, except?: AnimationAction): {
    otherActions: AnimationAction[];
    mostActiveAnimationAction: AnimationAction;
};
type GetAnimationAction = () => AnimationAction;
export declare class getAnimationMixer extends ObjectNamedFunction0 {
    static type(): string;
    func(object3D: Object3D): AnimationMixer;
}
export declare class animationMixerUpdate extends ObjectNamedFunction0 {
    static type(): string;
    func(object3D: Object3D): void;
}
export declare class getAnimationAction extends NamedFunction3<[AnimationMixer, string, boolean]> {
    static type(): string;
    func(mixer: AnimationMixer, clipName: string, autoPlay: boolean): AnimationAction;
}
export declare class animationActionPlay extends NamedFunction1<[AnimationAction]> {
    static type(): string;
    func(action: AnimationAction): void;
}
export declare class animationActionStop extends NamedFunction1<[AnimationAction]> {
    static type(): string;
    func(action: AnimationAction): void;
}
export declare class animationActionFadeIn extends NamedFunction5<[AnimationAction, number, boolean, boolean, boolean]> {
    static type(): string;
    func(action: AnimationAction, duration: number, fadeOutOtherActions: boolean, warp: boolean, startOnFromActionEnd: boolean): void;
}
export declare class animationActionFadeOut extends NamedFunction2<[AnimationAction, number]> {
    static type(): string;
    func(action: AnimationAction, duration: number): void;
}
export declare class animationActionCrossFade extends NamedFunction5<[
    AnimationAction,
    GetAnimationAction,
    number,
    boolean,
    boolean
]> {
    static type(): string;
    func(actionFrom: AnimationAction, actionToGet: GetAnimationAction, duration: number, warp: boolean, startOnFromActionEnd: boolean): void;
}
export {};