/**
 * Typography Style Utilities
 *
 * Helper functions for resolving typography styles from design tokens.
 * These utilities are used by components to map text style variants
 * to actual style objects from theme.
 *
 * @fileoverview Provides typography style resolution utilities for Material Design 3
 * @author Ümit UZ <umit@umituz.com>
 * @since 1.2.0
 * @version 1.2.0
 *
 * @example
 * ```typescript
 * import { getTextStyle } from '@umituz/react-native-design-system-typography';
 * import { useAppDesignTokens } from '@umituz/react-native-design-system-theme';
 *
 * const MyComponent = () => {
 *   const tokens = useAppDesignTokens();
 *   const textStyle = getTextStyle('headlineLarge', tokens);
 *   return <Text style={textStyle}>Hello</Text>;
 * };
 * ```
 */
import type { TextStyle as RNTextStyle } from 'react-native';
/**
 * Basic text style interface
 * Compatible with React Native TextStyle
 */
type TextStyle = RNTextStyle;
import type { TextStyleVariant } from '../../domain/entities/TypographyTypes';
import type { DesignTokens } from '../../../theme';
/**
 * Clear typography cache
 * Useful for testing or theme changes
 */
export declare function clearTypographyCache(): void;
/**
 * Get typography style from design tokens based on text style variant
 *
 * @param variant - Text style variant
 * @param tokens - Design tokens containing typography values
 * @returns Resolved typography style object
 *
 * @example
 * ```tsx
 * const tokens = useAppDesignTokens();
 * const textStyle = getTextStyle('headlineLarge', tokens);
 * // Returns: { fontSize: 32, fontWeight: '400' }
 * ```
 */
export declare function getTextStyle(variant: TextStyleVariant, tokens: DesignTokens): TextStyle;
/**
 * Check if a string is a valid TextStyleVariant
 * Uses Set for O(1) lookup performance
 *
 * @param value - String to check
 * @returns True if value is a TextStyleVariant
 */
export declare function isTextStyleVariant(value: string): value is TextStyleVariant;
/**
 * Get all available text style variants
 *
 * @returns Array of all TextStyleVariant values
 */
export declare function getAllTextStyleVariants(): TextStyleVariant[];
export {};