@NotNull
protected Collection<KotlinType> computeSupertypes() {
if (KotlinBuiltIns.isSpecialClassWithNoSupertypes(this)) {
return Collections.emptyList();
}
KtClassOrObject classOrObject =
declarationProvider.getOwnerInfo().getCorrespondingClassOrObject();
if (classOrObject == null) {
return Collections.<KotlinType>singleton(c.getModuleDescriptor().getBuiltIns().getAnyType());
}
List<KotlinType> allSupertypes =
c.getDescriptorResolver()
.resolveSupertypes(
getScopeForClassHeaderResolution(), this, classOrObject, c.getTrace());
return Lists.newArrayList(Collections2.filter(allSupertypes, VALID_SUPERTYPE));
}
