100644 blob c074a4965493385644e9a5aae73f66718783f8bd	FileEditorManagerEx.java
100644 blob a0671d5eb78a9df26e01e072a964ebb6ef90db9f	FileEditorProviderManager.java
100644 blob 61e1a640612aef99f1738f437663b16375339c8a	IdeDocumentHistory.java