ims-metadata

class decorator [装饰类]

``ts
(target:any)=> return class extends target{}
`

prototype decorator [装饰属性]

`ts
() => any;
`

constructor decorator [装饰构造函数]

`ts
() => any;
`

parameter decorator [装饰参数]

`ts
() => any;
`

method decorator [方法]

`ts
result => any;
``