michael@0: component 62e221d3-68c3-4e1a-8943-a27beb5005fe nsDummyObserver.js
michael@0: contract @mozilla.org/places/test/dummy-observer;1 62e221d3-68c3-4e1a-8943-a27beb5005fe
michael@0: category bookmark-observers nsDummyObserver @mozilla.org/places/test/dummy-observer;1
michael@0: category history-observers nsDummyObserver @mozilla.org/places/test/dummy-observer;1