public static boolean containsMember(@Nullable PsiType qualifierType, @NotNull Object object) {
if (qualifierType instanceof PsiArrayType
&& object instanceof PsiMember) { // length and clone()
PsiFile file = ((PsiMember) object).getContainingFile();
if (file == null || file.getVirtualFile() == null) { // yes, they're a bit dummy
return true;
}
} else if (qualifierType instanceof PsiClassType) {
PsiClass qualifierClass = ((PsiClassType) qualifierType).resolve();
if (qualifierClass == null) return false;
if (object instanceof PsiMethod
&& qualifierClass.findMethodBySignature((PsiMethod) object, false) != null) {
return true;
}
if (object instanceof PsiMember) {
return qualifierClass.equals(((PsiMember) object).getContainingClass());
}
}
return false;
}
