ConditionalOnMissingClass (Spring Boot API)

@Target({TYPE,METHOD})
@Retention(RUNTIME)
@Documented
@Conditional(org.springframework.boot.autoconfigure.condition.OnClassCondition.class)
public @interface ConditionalOnMissingClass

Conditional that only matches when the specified classes are not on the classpath.

- Optional Element Summary
  Optional Elements
  Modifier and Type Optional Element Description
  String[] value
  The names of the classes that must not be present.

- Element Detail
  - value
```
String[] value
```
    The names of the classes that must not be present.
    Returns:
    the names of the classes that must not be present
    Default:
    {}