/// <summary>
/// Create an instance of the FfdbEngine based on this builder's configuration.
/// </summary>
public FfdbEngine Create()
{
var baseServiceCollection = new EngineBaseServiceCollection();
ServiceCollection services = baseServiceCollection
.SetRootDataPath(_rootDataPath)
.SetDatabaseProviderFactory(_dbProviderFactory)
.SetWebRequestConfig(WebRequest.Build())
.SetLoggingConfig(Logging.Build())
.SetProgramOptions(_programOptions)
.Create();
return(services
.AddScoped <FfdbEngine>()
.BuildServiceProvider()
.GetService <FfdbEngine>());
}