code: def export_schema_from_json(self, json_path, c_schema_ptr):
      from Apache.Arrow.IntegrationTest import CDataInterface
  
      jf = CDataInterface.ParseJsonFile(json_path)
      CDataInterface.ExportSchema(
          jf.Schema.ToArrow(), self._pointer_to_int(c_schema_ptr)
      )
  
imports: from contextlib import contextmanager
  import os
  from .None import cdata
  from .tester import Tester, CDataExporter, CDataImporter
  from .util import run_cmd, log
  from ..utils.source import ARROW_ROOT_DEFAULT
label_desc: Use image node_id 1 for calling the CSharpCDataExporter obj's underlying member method code with example usage: obj.export_schema_from_json(json_path, c_schema_ptr) without return types