code: def getGeoArrowUnionRootType() -> pa.union:
      return pa.union(
          [
              ArrowPointsType,
              ArrowMultiPointsType,
              ArrowLinestringsType,
              ArrowPolygonsType,
          ],
          mode="dense",
      )
  
imports: from typing import List
  import pyarrow
label_desc: Use image node_id 1 for calling a global function with example usage: getGeoArrowUnionRootType() and returns: pa