<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def clear_all_breakpoints(self):

 """Clear breakpoints in all files"""

        self.switch_to_plugin()
        clear_all_breakpoints()
        self.breakpoints_saved.emit()
        editorstack = self.get_current_editorstack()
        if editorstack is not None:
            for data in editorstack.data:
                data.editor.debugger.clear_breakpoints()
        self.refresh_plugin()