public SharedDeclarationNode value() {
                return (SharedDeclarationNode) null;
              }
            })));
            if (_shared != null) {
              throw new NonLocalReturn(SystemMapping.this.singletonAtReference_initialize_(_importNS.reference().$slash$(_reference.name()), _shared), _temp1);
            }
            st.gravel.support.jvm.runtime.AlmostFinalValue _temp2 = _singletonHolders.get(_importNS.reference().$slash$(_reference.name()));
            _sh = ((st.gravel.support.jvm.runtime.AlmostFinalValue) _temp2);
            if (_sh != null) {
              throw new NonLocalReturn(_sh, _temp1);
            }
            return SystemMapping.this;
          }
        });
      }