static fun createFileIfMissing(path: Path!, vararg attrs: FileAttribute<*>!): Boolean (source)
Create a file, if it does not already exist.
path - Path!: The path to the file to create.
attrs - FileAttribute<*>!: An optional list of file attributes to set atomically when creating the file.
IOException - If an I/O error occurs or the parent directory does not exist.
Return
Boolean: true if the file was created.