import com.fasterxml.jackson.databind.JsonNode
import com.fasterxml.jackson.databind.node.NullNode
-import org.apache.commons.collections.MapUtils
+import org.apache.commons.collections4.MapUtils
import org.apache.commons.lang3.StringUtils
import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintConstants
import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException