T> class Null safety
The stream may be paused between calls to moveNext.
) → Future
- Cancels the stream iterator (and the underlying stream subscription) early. [...]
) → Future< bool>
- Wait for the next stream value to be available. [...]
Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
) → String
Returns a string representation of this object.