langchain/tools/azure_cognitive_services/form_recognizer.py/AzureCogsFormRecognizerTool/_parse_kv_pairs
class AzureCogsFormRecognizerTool:    def _parse_kv_pairs(self, kv_pairs: List[Any]) -> List[Any]:
        result = []
        for kv_pair in kv_pairs:
            key = kv_pair.key.content if kv_pair.key else ""
            value = kv_pair.value.content if kv_pair.value else ""
            result.append((key, value))
        return result