@gerhobbelt/mathjax-third-party-extensions/legacy/siunitx/node_modules/rxjs/src/internal/testing/SubscriptionLog.ts

A list of MathJax extensions provided by third-party contributors

export class SubscriptionLog {
  constructor(public subscribedFrame: number,
              public unsubscribedFrame: number = Number.POSITIVE_INFINITY) {
  }
}