All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static boolean`	`exists(String name)`	Returns `true` if a `AttributeKey` exists for the given `name`.
`static <T> AttributeKey<T>`	`newInstance(String name)`	Creates a new `AttributeKey` for the given `name` or fail with an `IllegalArgumentException` if a `AttributeKey` for the given `name` exists.
`static <T> AttributeKey<T>`	`valueOf(Class<?> firstNameComponent, String secondNameComponent)`
`static <T> AttributeKey<T>`	`valueOf(String name)`	Returns the singleton instance of the `AttributeKey` which has the specified `name`.

Methods inherited from class io.netty5.util.AbstractConstant
compareTo, equals, hashCode, id, name, toString

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

valueOf
```
public static <T> AttributeKey<T> valueOf(String name)
```
Returns the singleton instance of the AttributeKey which has the specified name.

exists
```
public static boolean exists(String name)
```
Returns true if a AttributeKey exists for the given name.

newInstance
```
public static <T> AttributeKey<T> newInstance(String name)
```
Creates a new AttributeKey for the given name or fail with an IllegalArgumentException if a AttributeKey for the given name exists.

public static <T> AttributeKey<T> valueOf(Class<?> firstNameComponent,
                                          String secondNameComponent)

Class AttributeKey<T>