import { type FC } from 'react';
import { type Editor } from 'tldraw';
import { type TlLandingItem } from './tl-canvas-bridge.js';
/** Reset canvas-owned data only. Gallery records and host attachments are untouched. */
export declare function clearStudioTlCanvases(): boolean;
/**
 * Cancel in-editor selection on every mounted canvas, keeping shapes and sync
 * untouched. Selection is interaction state tied to the surface: leaving the
 * studio page cancels it so a stale selection can neither resurface on return
 * nor linger in the host mirror.
 */
export declare function deselectStudioTlCanvases(): boolean;
export declare function landTlItems(editor: Editor, items: readonly TlLandingItem[], isActive: () => boolean, onUnreadable?: () => void): Promise<boolean>;
export declare const StudioTlCanvas: FC<{
    lang?: 'zh' | 'en';
}>;