code: def convert_coerce_type_to_instanceof_filter(coerce_type_block):
      
      coerce_type_target = get_only_element_from_collection(coerce_type_block.target_class)
  
      # INSTANCEOF requires the target class to be passed in as a string,
      # so we make the target class a string literal.
      new_predicate = BinaryComposition(
          u'INSTANCEOF', LocalField('@this'), Literal(coerce_type_target))
  
      return Filter(new_predicate)
docs: Create an "INSTANCEOF" Filter block from a CoerceType block.