Key (Unofficial IntelliJ Community Edition API docs)

Constructors
Constructor and Description
`Key(java.lang.String name)`

All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`static <T> Key<T>`	`create(java.lang.String name)`
`boolean`	`equals(java.lang.Object obj)`
`static Key<?>`	`findKeyByName(java.lang.String name)` Deprecated. access to a key via its name is a dirty hack; use Key instance directly instead
`T`	`get(java.util.Map<Key,?> holder)`
`T`	`get(UserDataHolder holder)`
`T`	`get(UserDataHolder holder, T defaultValue)`
`static <T> Key<T>`	`getKeyByIndex(int index)`
`T`	`getRequired(UserDataHolder holder)`
`int`	`hashCode()`
`boolean`	`isIn(UserDataHolder holder)` Returns `true` if and only if the `holder` has not null value for the key.
`void`	`set(java.util.Map<Key,java.lang.Object> holder, T value)`
`void`	`set(UserDataHolder holder, T value)`
`java.lang.String`	`toString()`

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

public final boolean equals(java.lang.Object obj)

public static <T> Key<T> create(java.lang.String name)

public T get(java.util.Map<Key,?> holder)

public T get(UserDataHolder holder,
             T defaultValue)

public T getRequired(UserDataHolder holder)

isIn
```
public boolean isIn(UserDataHolder holder)
```
Returns true if and only if the holder has not null value for the key.

public void set(UserDataHolder holder,
                T value)

public void set(java.util.Map<Key,java.lang.Object> holder,
                T value)

public static <T> Key<T> getKeyByIndex(int index)

Class Key<T>