How to use the @sentry/types.Severity.Debug function in @sentry/types

fill(originalModule, level, function(originalConsoleLevel: () => any): any {
      let sentryLevel: Severity;

      switch (level) {
        case 'debug':
          sentryLevel = Severity.Debug;
          break;
        case 'error':
          sentryLevel = Severity.Error;
          break;
        case 'info':
          sentryLevel = Severity.Info;
          break;
        case 'warn':
          sentryLevel = Severity.Warning;
          break;
        default:
          sentryLevel = Severity.Log;
      }

      return function(): any {
        if (getCurrentHub().getIntegration(Console)) {