Optionalaction?: stringOptionalheading?: React.ReactNodeHeading text in the modal.
Optionalmax?: number | nullThe progress max/total. Same as the max attribute on the HTML <progress> element.
OptionaltimeEstimateThresholdMS?: numberThe amount of time (ms) below which updates are ignored in time estimate calculation. Useful if a cache is being used so that cache reads do not throw off the estimate.
Optionalvalue?: number | nullThe progress value. Same as the value attribute on the HTML <progress> element.
The name of the action that is being performed. Should be a present participle (e.g. "Processing").