import { AppObject, AppObjectUC } from "@vived/core";
export declare class CalloutScaleHook extends AppObjectUC {
    static type: string;
    private get sceneRoot();
    private get callout();
    private lastRootScale?;
    private lastCalloutSize?;
    private onEntityChange;
    dispose: () => void;
    constructor(appObject: AppObject);
}
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