import org.opendaylight.controller.yang.model.api.type.LengthConstraint;\r
import org.opendaylight.controller.yang.model.api.type.PatternConstraint;\r
import org.opendaylight.controller.yang.model.api.type.RangeConstraint;\r
import org.opendaylight.controller.yang.model.api.type.LengthConstraint;\r
import org.opendaylight.controller.yang.model.api.type.PatternConstraint;\r
import org.opendaylight.controller.yang.model.api.type.RangeConstraint;\r