# Namespace OptimaJet.Workflow.Core.License

## Classes

-   [TimeHelper](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.License/TimeHelper/)
    
    Provides the Workflow Engine compilation timestamp through [TimeHelper.CompileTime](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.License/TimeHelper/) for license validation.
    

## Interfaces

-   [IWorkflowEngineNetRestriction](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.License/IWorkflowEngineNetRestriction/)
    
    Defines the license restrictions returned by [WorkflowRuntime.GetLicenseRestrictions()](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/).