CheckReturnValue

```
@Documented
@Target({METHOD,CONSTRUCTOR})
@Retention(CLASS)
public @interface CheckReturnValue
```
This annotation is used to denote a method whose return value should always be checked when invoking the method. The checker treats this annotation as inherited by overriding methods.

- Optional Element Summary
  
  Optional Elements
  Modifier and Type Optional Element Description
  
  Confidence confidence
  
  java.lang.String explanation
  A textual explanation of why the return value should be checked

- Element Detail
  - confidence
```
Confidence confidence
```
    Default:
    
    edu.umd.cs.findbugs.annotations.Confidence.MEDIUM
- - explanation
```
java.lang.String explanation
```
    A textual explanation of why the return value should be checked
    
    Default:
    
    ""