Merge pull request #19903 from ahmedhamidawan/fix_accepted_formats_duplicate

        return [dict(name="output", extensions=extensions, optional=optional)]

    def get_filter_set(self, connections=None):

        filter_set = []

        filter_set = set()  # Use a set to ensure unique extensions

        if connections:

            for oc in connections:

                for ic in oc.input_step.module.get_data_inputs():

                    if "extensions" in ic and ic["extensions"] != "input" and ic["name"] == oc.input_name:

                        filter_set += ic["extensions"]

                        filter_set.update(ic["extensions"])

        if not filter_set:

            filter_set = ["data"]

        return ", ".join(filter_set)

            filter_set = {"data"}

        return ", ".join(sorted(filter_set))

    def get_runtime_inputs(self, step, connections: Optional[Iterable[WorkflowStepConnection]] = None):

        parameter_def = self._parse_state_into_dict()