from: SdmxStructureRetrieval
to: SdmxQueryBuilder
evidence:
 - file: "SdmxStructureRetrieval/src/main/java/org/sdmxsource/sdmx/structureretrieval/manager/RESTSdmxBeanRetrievalManager.java"
   contains "import org.sdmxsource.sdmx.querybuilder.builder.StructureQueryBuilderRest;"