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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def progress_callback(self, current_value, maximum_value, message=None):
 """GUI based callback implementation for showing progress. :param current_value: Current progress. :type current_value: int :param maximum_value: Maximum range (point at which task is complete. :type maximum_value: int :param message: Optional message dictionary to containing content we can display to the user. See safe.definitions.analysis_steps for an example of the expected format :type message: dict """

        report = m.Message()
        report.add(LOGO_ELEMENT)
        report.add(m.Heading(
            tr('Analysis status'), **INFO_STYLE))
        if message is not None:
            report.add(m.ImportantText(message['name']))
            report.add(m.Paragraph(message['description']))
        report.add(self.impact_function.performance_log_message())
        send_static_message(self, report)
        self.progress_bar.setMaximum(maximum_value)
        self.progress_bar.setValue(current_value)
        QgsApplication.processEvents()