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040000 tree 3a63973b3a9274a20876d92ee6c53c18f79fc28c	org.eclipse.qvtd.examples.qvtrelation.empty
040000 tree 0623150674974628e8ba479288b4cf0f657bb763	org.eclipse.qvtd.examples.qvtrelation.modelmorf
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040000 tree c3022ee7c678f7fd874621b2c5bfb27ae783bd1b	org.eclipse.qvtd.examples