/**
 * Capitalize the first letter of a string
 */
export declare function capitalize(str: string): string;
/**
 * Convert string to title case (capitalize first letter of each word)
 */
export declare function titleCase(str: string): string;
/**
 * Convert string to camelCase
 */
export declare function camelCase(str: string): string;
/**
 * Convert string to PascalCase
 */
export declare function pascalCase(str: string): string;
/**
 * Convert string to kebab-case
 */
export declare function kebabCase(str: string): string;
/**
 * Convert string to snake_case
 */
export declare function snakeCase(str: string): string;
/**
 * Truncate string to specified length with ellipsis
 */
export declare function truncate(str: string, length: number, suffix?: string): string;
/**
 * Remove extra whitespace and normalize
 */
export declare function normalizeWhitespace(str: string): string;
/**
 * Count words in a string
 */
export declare function wordCount(str: string): number;
/**
 * Extract sentences from text
 */
export declare function extractSentences(text: string): string[];
/**
 * Remove punctuation from string
 */
export declare function removePunctuation(str: string): string;
/**
 * Check if string contains only alphanumeric characters
 */
export declare function isAlphanumeric(str: string): boolean;
/**
 * Sanitize filename by removing invalid characters
 */
export declare function sanitizeFilename(filename: string): string;
/**
 * Generate a slug from string (URL-friendly)
 */
export declare function slugify(str: string): string;
/**
 * Pluralize a word (simple implementation)
 */
export declare function pluralize(word: string, count?: number): string;
/**
 * Format number as ordinal (1st, 2nd, 3rd, etc.)
 */
export declare function ordinal(number: number): string;
/**
 * Interpolate variables in template string
 * Example: interpolate("Hello {{name}}!", { name: "World" }) => "Hello World!"
 */
export declare function interpolate(template: string, variables: Record<string, any>): string;
/**
 * Calculate Levenshtein distance between two strings
 */
export declare function levenshteinDistance(str1: string, str2: string): number;
//# sourceMappingURL=text.d.ts.map