export declare enum TweenableProperty {
    X = "x",
    Y = "y",
    O = "o",
    S = "s",
    B = "b",
    RX = "rx",
    RY = "ry",
    RZ = "rz"
}
export declare type TAnimation = {
    name: string;
    layers: Layer[];
};
export declare type TKeyframe = {
    id: string;
    time: number;
    value: number;
};
export declare type Layer = {
    id: string;
    name: string;
    src?: string;
    tweens: Tween[];
    constrainWidth: boolean;
    widthConstraint: SizeConstraint;
    constrainHeight: boolean;
    heightConstraint: SizeConstraint;
    objectFit: 'cover' | 'contain' | 'fill' | 'none';
};
export declare type Tween = {
    property: TweenableProperty;
    keyframes: TKeyframe[];
};
export declare type SizeConstraint = {
    min: number;
    max: number;
    target: number;
};