void (@NotNull GrMethod grMethod) { super.visitMethod(grMethod); final NegationCountVisitor visitor = new NegationCountVisitor(); final GrOpenBlock body = grMethod.getBlock(); if (body == null) { return; } body.accept(visitor); final int numNegations = visitor.getNegationCount(); if (numNegations <= 3) { return; } registerMethodError(grMethod, numNegations); }