static BlockStmt getFieldColumnPairVariableDeclaration(final String variableName, final FieldColumnPair fieldColumnPair) {
        final MethodDeclaration methodDeclaration = FIELDCOLUMNPAIR_TEMPLATE.getMethodsByName(GETKIEPMMLFIELDCOLUMNPAIR).get(0).clone();
        final BlockStmt toReturn = methodDeclaration.getBody().orElseThrow(() -> new KiePMMLException(String.format(MISSING_BODY_TEMPLATE, methodDeclaration)));


        final VariableDeclarator variableDeclarator = getVariableDeclarator(toReturn, FIELDCOLUMNPAIR) .orElseThrow(() -> new KiePMMLException(String.format(MISSING_VARIABLE_IN_BODY, FIELDCOLUMNPAIR, toReturn)));
        variableDeclarator.setName(variableName);
        final ObjectCreationExpr objectCreationExpr = variableDeclarator.getInitializer()
                .orElseThrow(() -> new KiePMMLException(String.format(MISSING_VARIABLE_INITIALIZER_TEMPLATE, FIELDCOLUMNPAIR, toReturn)))
        .asObjectCreationExpr();
        objectCreationExpr.getArguments().set(0, new StringLiteralExpr(fieldColumnPair.getField()));
        objectCreationExpr.getArguments().set(2, new StringLiteralExpr(fieldColumnPair.getColumn()));
        return toReturn;
    }
@Test
    void getRowVariableDeclaration() throws IOException {
        String variableName = "variableName";
        String fieldName = "fieldName";
        String column = "column";
        FieldColumnPair fieldColumnPair = new FieldColumnPair();
        fieldColumnPair.setField(fieldName);
        fieldColumnPair.setColumn(column);

        BlockStmt retrieved = KiePMMLFieldColumnPairFactory.getFieldColumnPairVariableDeclaration(variableName,
                                                                                                  fieldColumnPair);
        String text = getFileContent(TEST_01_SOURCE);
        Statement expected = JavaParserUtils.parseBlock(String.format(text, variableName, fieldName, column));
        assertThat(JavaParserUtils.equalsNode(expected, retrieved)).isTrue();
        List<Class<?>> imports = Arrays.asList(Collections.class, KiePMMLFieldColumnPair.class);
        commonValidateCompilationWithImports(retrieved, imports);
    }