retrieveDataRuleModuleCommand = OMBRETRIEVE DATA_RULE_MODULE
"QUOTED_STRING" ( "getPropertiesClause" | "getReferenceIconSetClause"
)
getPropertiesClause = GET PROPERTIES "(" "propertyNameList" ")"
getReferenceIconSetClause = GET ( REF | REFERENCE ) ICONSET
propertyNameList = "UNQUOTED_STRING" { "," "UNQUOTED_STRING" }