return an ordered collection of the distinct variable names used in the given caller 's solution set . concode_field_sep String exprImage concode_elem_sep AST2SPARQLUtil util concode_elem_sep Logger log concode_elem_sep Map<String,String> prefixDecls concode_elem_sep Set<IVariable<?>> projectedVars concode_field_sep String getSparqlQuery concode_elem_sep Map<BNode,Set<String>> getCorrelatedVariables
LinkedHashSet < String > function ( final BindingSet [ ] arg0 ) { final LinkedHashSet < String > loc0 = new LinkedHashSet < String > ( ) ; for ( BindingSet loc1 : arg0 ) { for ( Binding loc2 : loc1 ) { loc0 . add ( loc2 . getName ( ) ) ; } } return loc0 ; }