export declare const createFolderIfDoesNotExist: (path: string) => Promise<unknown>;
export declare const appendToFile: (filePath: string, data: string, callback: () => void) => Promise<unknown>;
export declare const getFileExtension: (url: string) => string | undefined;
export declare const checkNextVersionNumber: (compatibleVersion?: number) => boolean;
export declare const spinalCase: (text: string | undefined) => string;
export declare const pascalCase: (text: string | undefined) => string;