Flutter
dart:html
CssVariableReferenceValue
variable property
variable
variable
property
Null safety
String
?
variable
Implementation
String? get variable native;
Flutter
dart:html
CssVariableReferenceValue
variable property
CssVariableReferenceValue class
Properties
fallback
hashCode
runtimeType
variable
Methods
noSuchMethod
toString
Operators
operator ==