/**
 * Converts a string to a slug-friendly format by:
 * 1. Trimming leading and trailing spaces
 * 2. Converting to lowercase
 * 3. Removing single and double quotes
 * 4. Replacing any character not a-z, 0-9, or hyphen with a hyphen
 * 5. Collapsing multiple hyphens into one
 * 6. Removing leading and trailing hyphens
 * @param value String to slugify
 * @returns Slugified string, or original value if not a string
 */
export declare function slugify<T>(value: T): T;