code: def export_schema_from_json(self, json_path, c_schema_ptr):
      c_error = self.dll.ArrowCpp_CDataIntegration_ExportSchemaFromJson(
          str(json_path).encode(), c_schema_ptr
      )
      self._check_c_error(c_error)
  
imports: import contextlib
  import functools
  import os
  import subprocess
  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 CppCDataExporter obj's underlying member method code with example usage: obj.export_schema_from_json(json_path, c_schema_ptr) without return types