Set<String> () { if (myProjectLibrariesNames == null) { myProjectLibrariesNames = new HashSet<>(); LibrariesContainer container = LibrariesContainerFactory.createContainer(myContext, myModulesProvider); for (Library library : container.getLibraries(LibrariesContainer.LibraryLevel.PROJECT)) { myProjectLibrariesNames.add(library.getName()); } } return myProjectLibrariesNames; }