org.eclipse.emf.query.conditions org.eclipse.emf.query.conditions.booleans org.eclipse.emf.query.conditions.eobjects org.eclipse.emf.query.conditions.eobjects.structuralfeatures org.eclipse.emf.query.conditions.numbers org.eclipse.emf.query.conditions.strings org.eclipse.emf.query.handlers org.eclipse.emf.query.ocl.conditions org.eclipse.emf.query.statements