code: def size(self):
      _, size = self.value_text.split(",")
  
      return int(size) if size else None
  
file_path: CellProfiler/src/subpackages/core/cellprofiler_core/setting/_structuring_element.py
imports: import skimage.morphology
  from ._setting import Setting
  from ._validation_error import ValidationError
label_desc: Use image node_id 7 for calling the StructuringElement obj's underlying member method code with example usage: obj.size() and returns: unknown