/**
 * Color Blindness Simulation & Accessibility
 *
 * Functions for simulating color vision deficiencies and
 * creating accessible color palettes.
 *
 * @since v1.57.3
 */
import type { ExtendedTheme, SemanticColors } from './theme-types.js';
/**
 * Color vision deficiency types
 */
export type ColorBlindnessType = 'normal' | 'deuteranopia' | 'protanopia' | 'tritanopia' | 'achromatopsia';
/**
 * Apply color blindness simulation to a single color
 */
export declare function simulateColorBlindness(hex: string, type: ColorBlindnessType): string;
/**
 * Simulate entire color palette for color blindness
 */
export declare function simulatePaletteColorBlindness(colors: SemanticColors, type: ColorBlindnessType): SemanticColors;
/**
 * Check if two colors are distinguishable for a given color blindness type
 */
export declare function areColorsDistinguishable(hex1: string, hex2: string, type: ColorBlindnessType, threshold?: number): boolean;
/**
 * Get color-blind safe alternatives for common colors
 */
export declare function getColorBlindSafeColor(purpose: 'success' | 'warning' | 'error' | 'info', isDark?: boolean): string;
/**
 * Create a Deuteranopia-friendly theme
 */
export declare function createDeuteranopiaTheme(): ExtendedTheme;
/**
 * Create a Protanopia-friendly theme
 */
export declare function createProtanopiaTheme(): ExtendedTheme;
/**
 * Create a Tritanopia-friendly theme
 */
export declare function createTritanopiaTheme(): ExtendedTheme;
/**
 * Accessibility preference options
 */
export interface AccessibilityPreferences {
    /** Reduce motion/animations */
    reduceMotion: boolean;
    /** Color blindness type to optimize for */
    colorBlindnessType: ColorBlindnessType;
    /** High contrast mode */
    highContrast: boolean;
    /** Increase text size */
    largerText: boolean;
}
/**
 * Get default accessibility preferences
 */
export declare function getDefaultAccessibilityPreferences(): AccessibilityPreferences;
/**
 * Get all color blindness types with descriptions
 */
export declare function getColorBlindnessTypes(): Array<{
    type: ColorBlindnessType;
    name: string;
    description: string;
    prevalence: string;
}>;
/**
 * Check if a theme is accessible for a specific color blindness type
 */
export declare function isThemeAccessibleForColorBlindness(colors: SemanticColors, type: ColorBlindnessType): {
    isAccessible: boolean;
    issues: string[];
};
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