import { isInsertableBlockName } from '@mlightcad/cad-simple-viewer';
export interface InsertableBlockItem {
    name: string;
    previewUrl?: string;
}
export { isInsertableBlockName };
/**
 * Active document identity used to detect drawing switches mid-refresh.
 */
export declare function currentBlockTableDocId(): string | undefined;
/**
 * Records a block as recently inserted (most-recent first).
 */
export declare function rememberRecentBlock(blockName: string): void;
/**
 * Returns recently inserted block names (most-recent first).
 */
export declare function listRecentBlockNames(): string[];
/**
 * Returns favorite block names.
 */
export declare function listFavoriteBlockNames(): string[];
/**
 * Toggles a block in the favorites list. Returns the new favorite state.
 */
export declare function toggleFavoriteBlock(blockName: string): boolean;
export declare function isFavoriteBlock(blockName: string): boolean;
/**
 * Loads insertable block definitions from the current drawing and fills
 * thumbnails progressively.
 */
export declare function useInsertableBlocks(): {
    blocks: import('vue').Ref<{
        name: string;
        previewUrl?: string | undefined;
    }[], InsertableBlockItem[] | {
        name: string;
        previewUrl?: string | undefined;
    }[]>;
    cancelRefresh: () => void;
    refreshBlocks: (filterNames?: string[] | null, isActive?: () => boolean) => Promise<void>;
};
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