def get_format_strings(self):
        """
        Return a list of all the supported format strings.

        :rtype: ``list`` of ``str``
        """
        result = []

        formats = getattr(self, "formats", [])
        for format_string in formats:
            if isinstance(format_string, dict) and format_string.get(
                "representation", None
            ):
                result.extend(format_string["representation"])
            else:
                result.append(format_string)

        return result

        Return a list of all the supported format strings.

        :rtype: ``list`` of ``str``
        
st2common/st2common/models/db/actionalias.py