interface String {
	/**
	 * @from `@dulysse1/better-node`
	 * ### Uncapitalized your string
	 * @param firstChar Does the first character have to be uncapitalized ?
	 * @default true
	 * @param sep Your Uncapitalized separator
	 * @returns {string} Your string uncapitalized
	 */
	uncapitalized<T extends "-" | "_" | " ">(
		sep?: T,
		firstChar?: boolean
	): string;
}