}
});
if (_sharedVariable != null) {
throw new RuntimeException("Shared not initialized: " + _reference.toString());
}
_superclassReference = ((AbsoluteReference) _cm.superclassReference());
if (_superclassReference == null) {
throw new NonLocalReturn(_aBlock.value(), _temp2);
}
return (st.gravel.support.jvm.runtime.AlmostFinalValue) SystemMapping.this.classSharedSingletonHolderAtReference_ifAbsent_(_superclassReference.$slash$(_reference.name()), _aBlock);
}