max Assign the maximum value of the upload. @required
msg Show a message @required
valuePosition Location of progress value @not required
progressType Assign the progress bar type.
barrierDismissible Determines whether the dialog closes when the back button or screen is clicked.
msgMaxLines Use when text value doesn't fit
completed Widgets that will be displayed when the process is completed are assigned through this class.
cancel Use it to have a close button on the dialog.
hideValue If you are not using the progress value, you can hide it.
closeWithDelay The time the dialog window will wait to close