1. @override
String toString()

Returns a string representation of this object.

Source

@override
String toString() {
  switch (index) {
    case _kHasCheckedStateIndex:
      return 'SemanticsFlags.hasCheckedState';
    case _kIsCheckedIndex:
      return 'SemanticsFlags.isChecked';
    case _kIsSelectedIndex:
      return 'SemanticsFlags.isSelected';
    case _kIsButtonIndex:
      return 'SemanticsFlags.isButton';
    case _kIsTextFieldIndex:
      return 'SemanticsFlags.isTextField';
    case _kIsFocusedIndex:
      return 'SemanticsFlags.isFocused';
  }
  return null;
}