TypeDeclSnippet (Java SE 9 & JDK 9 )

java.lang.Object
- jdk.jshell.Snippet
- - jdk.jshell.PersistentSnippet
  - - jdk.jshell.DeclarationSnippet
    - - jdk.jshell.TypeDeclSnippet

```
public class TypeDeclSnippet
extends DeclarationSnippet
```
类型定义的代码段（类，接口，枚举或注释接口定义）。那种是Snippet.Kind.TYPE_DECL 。
TypeDeclSnippet是不可变的：访问其任何方法将始终返回相同的结果。因此是线程安全的。

从以下版本开始：

9

- Nested Class Summary
  - Nested classes/interfaces inherited from class jdk.jshell.Snippet
    Snippet.Kind, Snippet.Status, Snippet.SubKind
- 方法摘要
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
  - Methods inherited from class jdk.jshell.PersistentSnippet
    name
  - Methods inherited from class jdk.jshell.Snippet
    id, kind, source, subKind, toString