code: public ApiResponse<ApiSuccessResponse> deleteUserDataPairWithHttpInfo(String id, KeyData keyData) throws ApiException {
          com.squareup.okhttp.Call call = deleteUserDataPairValidateBeforeCall(id, keyData, null, null);
          Type localVarReturnType = new TypeToken<ApiSuccessResponse>(){}.getType();
          return apiClient.execute(call, localVarReturnType);
      }
docs: Remove a key/value pair from user data
  Delete data with the specified key from the call&#39;s user data.
  @param id The connection ID of the call. (required)
  @param keyData  (required)
  @return ApiResponse&lt;ApiSuccessResponse&gt;
  @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body