For efficient byte-level operations on files, Flutter developers can use the ________ class.

The 'ByteBuffer' class in Flutter is utilized for efficient byte-level operations on files. It represents a sequence of bytes and provides methods for reading and writing data at the byte level. Flutter developers often use 'ByteBuffer' when working with binary data or performing low-level file operations that require manipulation at the byte level. Understanding how to use 'ByteBuffer' is essential for developers handling file-related tasks that involve byte-level operations.