Optional
debugA debug name for the signal. Used in Angular DevTools to identify the signal.
Optional
injectorThis signal must either be created in an injection context or passed an injector.
Optional
rootThe root element where intersections will be observed.
Optional
rootOptional
threshold
Optional injector reference if created outside injector context and IntersectionObserver options. If no IntersectionObserver options are passed then only all attributes are observed.