export type DesignFrameHeightMode = 'fixed' | 'document';
export declare const DEFAULT_DOCUMENT_FRAME_MAX_HEIGHT = 12000;
export declare const ABSOLUTE_DOCUMENT_FRAME_MAX_HEIGHT = 32000;
interface FrameHeightInput {
    height?: number;
    heightMode?: DesignFrameHeightMode;
    maxHeight?: number;
    resolvedDocumentHeight?: number;
}
export declare function documentFrameHeightLimit(viewportHeight: number, maxHeight?: number): number;
export declare function resolveFrameHeight(page: FrameHeightInput): number;
export declare function measurePreviewDocumentHeight(root: Document | ShadowRoot): number;
export declare function observePreviewDocumentHeight(root: Document | ShadowRoot, onHeightChange: (height: number) => void): () => void;
export {};