1. Dart
2. dart:core
3. Provisional
4. Provisional const constructor

##### Provisional class

1. Constructors
2. Provisional
3. Properties
4. hashCode
5. message
6. runtimeType
7. Methods
8. noSuchMethod
9. toString
10. Operators
11. operator ==

description

# Provisional constructor Null safety

const Provisional(

1. {String? message}

)

## Implementation

    const Provisional({String? message});