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In the [Google Style Guide][gsg], type parameters are named in one of two
patterns:
> * A single capital letter, optionally followed by a single numeral (such as
> E, T, X, T2)
> * A name in the form used for classes..., followed by the capital letter T
> (examples: RequestT, FooBarT).
If a regular class is named like this, then it might be confusing for users of
your API:
```java
class Bar {
...
public void doSomething(T object) {
// Here, object is the static class T in this file
}
public <T> void doSomethingElse(T object) {
// Here, object is a generic T
}
...
public static class T {...}
}
```
Looking at `T`, it's very likely to be confused as a type parameter instead of a
class.
[gsg]: https://google.github.io/styleguide/javaguide.html#s5.2.8-type-variable-names
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