1. Dart
2. dart:html
3. UnderlyingSourceBase
4. notifyLockAcquired method

##### UnderlyingSourceBase class

1. Properties
2. hashCode
3. runtimeType
4. Methods
5. cancel
6. noSuchMethod
7. notifyLockAcquired
8. notifyLockReleased
9. pull
10. start
11. toString
12. Operators
13. operator ==

description

# notifyLockAcquired method Null safety

void notifyLockAcquired ()

## Implementation

    void notifyLockAcquired() native;