code: def set_boundary(
      self, v: Union[Multipolygon, Polygon, GeoPoint]
  ) -> "FeatureBuilder":
      assert_type(v, (Multipolygon, Polygon, GeoPoint))
      self.boundary = Boundary(v)
      return self
  
imports: import enum
  from typing import List, Optional, Dict, Union
  from .geometry import GeometryBase, GeoPoint, GeoRect, Polygon, Multipolygon
  from .request import LevelKind
  from ..type_assertion import assert_list_type, assert_optional_type, assert_type, assert_optional_list_type
label_desc: Use image node_id 6 for calling the FeatureBuilder obj's underlying member method code with example usage: obj.set_boundary(v) and returns: self