boolean (final Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; final ProblemImpl problem = (ProblemImpl)o; if (isSyntax != problem.isSyntax) return false; if (!highlightInfo.equals(problem.highlightInfo)) return false; if (!virtualFile.equals(problem.virtualFile)) return false; return true; }