public Integer save(ApproverRequest request) {
        Preconditions.expectNotBlank(request.getProcessName(), ErrorCodeEnum.INVALID_PARAMETER,
                "process name cannot be empty");
        Preconditions.expectNotBlank(request.getTaskName(), ErrorCodeEnum.INVALID_PARAMETER,
                "task name cannot be empty");
        Preconditions.expectNotBlank(request.getApprovers(), ErrorCodeEnum.INVALID_PARAMETER,
                "approvers cannot be empty");

        Response<Integer> response = ClientUtils.executeHttpCall(workflowApproverApi.save(request));
        ClientUtils.assertRespSuccess(response);

        return response.getData();
    }
Save workflow approver

@param request approver request
inlong-manager/manager-client/src/main/java/org/apache/inlong/manager/client/api/inner/client/WorkflowApproverClient.java