checkBox top-level property
_CheckBoxBuilder
get
checkBox
Barry
@date 2024/9/12
describe:
eg: checkBox.blue.borderBlack.shadowMd.material.s50.onChanged(false, _onChanged)

Implementation
///eg: checkBox.blue.borderBlack.shadowMd.material.s50.onChanged(false, _onChanged)
///
_CheckBoxBuilder get checkBox => _CheckBoxBuilder();