/**
 * Formats a number of bytes into a human-readable string with appropriate size units.
 * @param bytes - The number of bytes to format
 * @returns A string representation of the bytes with appropriate unit (Bytes, KB, MB, etc.)
 * @example
 * formatBytes(1024) // returns "1 KB"
 * formatBytes(1234567) // returns "1.18 MB"
 */
export declare function formatBytes(bytes: number): string;
/**
 * Converts a camelCase string into a Title Case string.
 * @param camelCase - The camelCase string to convert
 * @returns A Title Case string with spaces between words
 * @example
 * camelCaseToTitle("myVariableName") // returns "My Variable Name"
 * camelCaseToTitle("URL") // returns "URL"
 */
export declare function camelCaseToTitle(camelCase: string): string;
/**
 * Capitalizes the first letter of string
 * @param str - The string to capitalize
 * @returns A new string with the first letter capitalized
 * @example
 * capitalize("hello world") // returns "Hello world"
 */
export declare function capitalize(str: string): string;
/**
 * Truncates text to a specified word limit
 * @param text - The text to truncate
 * @param maxWords - The maximum number of words to keep (default: 10)
 * @returns The truncated text with "..." appended if truncated
 * @example
 * truncate("This is a very long sentence that should be truncated", 5) // returns "This is a very long..."
 * truncate("Short text", 10) // returns "Short text"
 */
export declare function truncate(text: string, maxWords?: number): string;
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