1. Constructors
  2. new
  3. filled
  4. iconOnly
  5. toggle
  6. Properties
  7. buttonKey
  8. hashCode
  9. icon
  10. iconSizeForVariant
  11. key
  12. onPressed
  13. runtimeType
  14. semanticsLabel
  15. toggledOn
  16. variant
  17. Methods
  18. backgroundColor
  19. build
  20. createElement
  21. debugDescribeChildren
  22. debugFillProperties
  23. foregroundColor
  24. noSuchMethod
  25. toDiagnosticsNode
  26. toString
  27. toStringDeep
  28. toStringShallow
  29. toStringShort
  30. Operators
  31. operator ==
  32. Constants
  33. buttonIconSize
  34. buttonSize