flagger: update signature information

saqc/flagger/baseflagger.py

@@ -41,7 +41,7 @@ class BaseFlagger(ABC):
         self.extra_defaults = dict()
         # NOTE: the arggumens of setFlags supported from
         #       the configuration functions
-        self.signature = ("flag",)
+        self.signature = ("flag", "force", "flag_after", "flag_before")
         self._flags: Optional[DictOfSeries] = None
 
     @property

saqc/flagger/dmpflagger.py

@@ -39,7 +39,7 @@ class DmpFlagger(CategoricalFlagger):
         super().__init__(FLAGS)
         self.flags_fields = [FlagFields.FLAG, FlagFields.CAUSE, FlagFields.COMMENT]
         self.extra_defaults = dict(cause=FLAGS[0], comment="")
-        self.signature = ("flag", "comment", "cause", "force")
+        self.signature = self.signature + ("flag", "comment", "cause")
 
         self._global_comments = kwargs
         self._flags = None