/**
 * Returns the pending share state for a diagram, if any.
 * @param {HTMLElement} diagram - The diagram element.
 * @returns {object|null} The pending share state or null.
 */
export function getPendingShareState(diagram: HTMLElement): object | null;
/**
 * Generates a high-precision shareable link for the current view.
 *
 * Strategically records:
 * 1. The precise internal point at the screen center (dv-cx, dv-cy).
 * 2. The high-precision zoom level (dv-z).
 * 3. Any active rotation (dv-r).
 *
 * @param {number} diagramIndex - Index of the diagram being shared.
 * @returns {string|null} The generated share URL, or null if generation fails.
 */
export function generateShareLink(diagramIndex: number): string | null;
/**
 * Copies the generated share link to the system clipboard.
 */
export function shareLink(diagramIndex: any): Promise<void>;
/**
 * Detects and parses shared state from the URL.
 * @returns {object|boolean} The restored diagram and its index, or false if no state found.
 */
export function restoreViewFromURL(diagrams: any): object | boolean;
/**
 * Reconstructs the saved view state in the modal.
 *
 * THE RESTORATION WORKFLOW:
 * 1. Apply Rotation.
 * 2. Apply Zoom (Resetting the pan state to a known centered baseline).
 * 3. Matrix Re-Sync:
 *    - Wait for one browser frame (requestAnimationFrame) for zoom to settle.
 *    - Find where the saved coordinate (cx, cy) is currently located on screen.
 *    - Pan the diagram by the pixel distance needed to return that point to the center.
 */
export function applyRestoredViewState(diagram: any, panzoom: any): boolean;
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