export declare function useAnnotations(): {
    annotations: import('../index.js').Annotation[];
    activeAnnotationTool: import('../core/index.js').AnnotationTool | null;
    selectedAnnotationId: string | null;
    addAnnotation: (annotation: import('../index.js').Annotation) => void;
    updateAnnotation: (id: string, patch: Partial<Omit<import('../index.js').Annotation, "id" | "pageIndex" | "type">>) => void;
    deleteAnnotation: (id: string) => void;
    selectAnnotation: (id: string | null) => void;
    setActiveTool: (tool: import('../core/index.js').AnnotationTool | null) => void;
};