https://cobalt.googlesource.com/cobalt/+/e83fce97d7405b0b5e569d961aa431b1112ac6ac/src/third_party/devtools/node_modules/rxjs/BehaviorSubject.d.ts?autodive=0%2F%2F%2F%2F%2F
src/third_party/devtools/node_modules/rxjs/BehaviorSubject.d.ts - cobalt - Git at Google
third partysrcdevtoolsnodemodules
https://www.bacancytechnology.com/qanda/angular/difference-between-behaviorsubject-and-observable
Understand Difference Between BehaviorSubject and Observable
Delve into the difference between BehaviorSubject and Observable. Learn how these two constructs differ and when to use each.
difference betweenunderstandbehaviorsubjectobservable