private static boolean isStatic(@NotNull StubElement<?> stub) {
    if (stub instanceof PsiMemberStub) {
      PsiModifierListStub modList = stub.findChildStubByType(JavaStubElementTypes.MODIFIER_LIST);
      if (modList != null) {
        return BitUtil.isSet(modList.getModifiersMask(),
                             ModifierFlags.NAME_TO_MODIFIER_FLAG_MAP.getInt(PsiModifier.STATIC));
      }
    }
    return false;
  }
private static boolean isStatic(@NotNull StubElement<?> stub)