/**
 * Accessibility Tools Registrations
 *
 * Registers tools for visual accessibility and reading support:
 * - Line Reader (reading guide)
 * - Color Scheme (theme/contrast)
 * - Annotation Toolbar (text highlighting)
 *
 * Maps to QTI 3.0 standard access features from:
 * - visual category: highContrastDisplay, colorContrast
 * - reading category: readingMask, readingGuide, highlighting
 */
import type { ToolRegistration } from "../../services/ToolRegistry.js";
/**
 * Line Reader tool registration
 *
 * Provides a reading guide overlay to help track reading position.
 * Useful for text-heavy passages and questions.
 */
export declare const lineReaderToolRegistration: ToolRegistration;
/**
 * Theme tool registration
 *
 * Provides accessible theme and contrast controls.
 * Global tool that affects entire assessment.
 */
export declare const themeToolRegistration: ToolRegistration;
/**
 * Annotation Toolbar registration
 *
 * Text highlighting with CSS Custom Highlight API.
 * Zero DOM mutation, optimal performance.
 */
export declare const annotationToolbarRegistration: ToolRegistration;
