What is the additional role of aliases besides shortening data type names?

In Android (and Java/Kotlin), type aliases, besides shortening long or complex type names, allow:

• Improving code readability by giving more understandable or context-dependent names to existing types.
• Providing a level of abstraction so that in the future, the type can be easily replaced without changing the code that uses the alias.
• Simplifying work with generic types by creating more convenient names for complex parameterized types.

For example, if you have a long type Map<String, List<User>>, you can create an alias type UserGroups = Map<String, List<User>> to make the code clearer and easier to maintain.