from: SdmxFileQueryProcessor
to: SdmxBeans
evidence:
 - file: "SdmxFileQueryProcessor/src/main/java/org/sdmxsource/sdmx/filequeryprocessor/engine/FileQueryEngine.java"
   contains "import org.sdmxsource.sdmx.sdmxbeans.model.header.DatasetHeaderBeanImpl;"