boolean ( @NotNull PsiMethodCallExpression expression) { final PsiReferenceExpression methodExpression = expression.getMethodExpression(); @NonNls final String methodName = methodExpression.getReferenceName(); if (!"signal".equals(methodName) && !"signalAll".equals(methodName)) { return false; } if (!expression.getArgumentList().isEmpty()) { return false; } final PsiMethod method = expression.resolveMethod(); if (method == null) { return false; } final PsiClass containingClass = method.getContainingClass(); if (containingClass == null) { return false; } return InheritanceUtil.isInheritor(containingClass, "java.util.concurrent.locks.Condition"); }