Marker trait that identifies exceptions which indicate an action that can block
forward-referencing expressions that occur during unparsing. These actions
can be retried once the available information has "arrived" in the infoset or
the state of the unparser.
Marker trait that identifies exceptions which indicate an action that can block forward-referencing expressions that occur during unparsing. These actions can be retried once the available information has "arrived" in the infoset or the state of the unparser.