diff --git a/pom.xml b/pom.xml
index d266b56..6889666 100644
--- a/pom.xml
+++ b/pom.xml
@@ -60,12 +60,6 @@
             <version>2.23.0</version>
         </dependency>
 
-        <dependency>
-            <groupId>org.jtwig</groupId>
-            <artifactId>jtwig-core</artifactId>
-            <version>5.87.0.RELEASE</version>
-        </dependency>
-
         <dependency>
             <groupId>org.reflections</groupId>
             <artifactId>reflections</artifactId>
@@ -95,6 +89,13 @@
             <version>1.8</version>
         </dependency>
 
+        <!-- template engine -->
+        <dependency>
+            <groupId>org.jtwig</groupId>
+            <artifactId>jtwig-core</artifactId>
+            <version>5.87.0.RELEASE</version>
+        </dependency>
+
     </dependencies>
 
     <licenses>
diff --git a/src/main/java/io/github/gasparbarancelli/NativeQueryInfo.java b/src/main/java/io/github/gasparbarancelli/NativeQueryInfo.java
index 4baaed7..7ce5b0c 100644
--- a/src/main/java/io/github/gasparbarancelli/NativeQueryInfo.java
+++ b/src/main/java/io/github/gasparbarancelli/NativeQueryInfo.java
@@ -1,8 +1,7 @@
 package io.github.gasparbarancelli;
 
+import io.github.gasparbarancelli.engine.jtwig.JtwigTemplateEngineSQLProcessor;
 import org.aopalliance.intercept.MethodInvocation;
-import org.jtwig.JtwigModel;
-import org.jtwig.JtwigTemplate;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
@@ -13,6 +12,7 @@
 import javax.persistence.Entity;
 import java.io.File;
 import java.io.Serializable;
+import java.lang.reflect.Method;
 import java.lang.reflect.Parameter;
 import java.util.*;
 
@@ -54,32 +54,33 @@ private NativeQueryInfo() {
     public static NativeQueryInfo of(Class<? extends NativeQuery> classe, MethodInvocation invocation) {
         NativeQueryInfo info = new NativeQueryInfo();
 
-        info.useSqlInline = invocation.getMethod().isAnnotationPresent(NativeQuerySql.class);
+        Method method = invocation.getMethod();
+        info.useSqlInline = method.isAnnotationPresent(NativeQuerySql.class);
         if (info.useSqlInline) {
-            info.sqlInline = invocation.getMethod().getAnnotation(NativeQuerySql.class).value();
+            info.sqlInline = method.getAnnotation(NativeQuerySql.class).value();
         } else {
             setFile(classe, invocation, info);
         }
 
-        info.useJdbcTemplate = invocation.getMethod().isAnnotationPresent(NativeQueryUseJdbcTemplate.class);
+        info.useJdbcTemplate = method.isAnnotationPresent(NativeQueryUseJdbcTemplate.class);
         if (info.useJdbcTemplate) {
-            NativeQueryUseJdbcTemplate jdbcTemplate = invocation.getMethod().getAnnotation(NativeQueryUseJdbcTemplate.class);
+            NativeQueryUseJdbcTemplate jdbcTemplate = method.getAnnotation(NativeQueryUseJdbcTemplate.class);
             info.useTenant = jdbcTemplate.useTenant();
         }
 
-        if (invocation.getMethod().isAnnotationPresent(NativeQueryReplaceSql.class)) {
-            if (invocation.getMethod().getAnnotation(NativeQueryReplaceSql.class).values().length > 0) {
-                for (NativeQueryReplaceSqlParams value : invocation.getMethod().getAnnotation(NativeQueryReplaceSql.class).values()) {
+        if (method.isAnnotationPresent(NativeQueryReplaceSql.class)) {
+            if (method.getAnnotation(NativeQueryReplaceSql.class).values().length > 0) {
+                for (NativeQueryReplaceSqlParams value : method.getAnnotation(NativeQueryReplaceSql.class).values()) {
                     info.replaceSql.put(value.key(), value.value());
                 }
-                info.processorSqlList.addAll(Arrays.asList(invocation.getMethod().getAnnotation(NativeQueryReplaceSql.class).processorParams()));
+                info.processorSqlList.addAll(Arrays.asList(method.getAnnotation(NativeQueryReplaceSql.class).processorParams()));
             }
         }
 
-        info.returnType = invocation.getMethod().getReturnType();
+        info.returnType = method.getReturnType();
         info.returnTypeIsIterable = Iterable.class.isAssignableFrom(info.returnType);
-        if (info.returnTypeIsIterable || info.returnType.getSimpleName().equals(Optional.class.getSimpleName())) {
-            TypeInformation<?> componentType = ClassTypeInformation.fromReturnTypeOf(invocation.getMethod()).getComponentType();
+        if (info.returnTypeIsIterable || info.returnTypeIsOptional()) {
+            TypeInformation<?> componentType = ClassTypeInformation.fromReturnTypeOf(method).getComponentType();
             info.aliasToBean = Objects.requireNonNull(componentType).getType();
         } else {
             info.aliasToBean = info.returnType;
@@ -144,58 +145,59 @@ private static void setFile(Class<? extends NativeQuery> classe, MethodInvocatio
         }
     }
 
-    private JtwigTemplate getJtwigTemplate() {
-        if (useSqlInline) {
-            return JtwigTemplate.inlineTemplate(sqlInline, JtwigTemplateConfig.get());
+    String getSql() {
+        if (sql != null) {
+            return sql;
         }
-        return JtwigTemplate.classpathTemplate(file, JtwigTemplateConfig.get());
-    }
 
-    String getSql() {
-        if (sql == null) {
-            JtwigTemplate template = getJtwigTemplate();
-            JtwigModel model = JtwigModel.newModel();
-            parameterList.forEach(p -> model.with(p.getName(), p.getValue()));
-            sql = template.render(model);
-
-            for (Class<ProcessorSql> aClass : processorSqlList) {
-                try {
-                    ProcessorSql processor = aClass.newInstance();
-                    processor.execute(sql, replaceSql);
-                } catch (Exception e) {
-                    throw new RuntimeException(e.getMessage());
-                }
-            }
+        sql = getSqlProcessed();
 
-            for (Map.Entry<String, String> replaceSqlEntry : replaceSql.entrySet()) {
-                sql = sql.replaceAll("\\$\\{"+replaceSqlEntry.getKey()+"}", replaceSqlEntry.getValue());
+        for (Class<ProcessorSql> aClass : processorSqlList) {
+            try {
+                ProcessorSql processor = aClass.newInstance();
+                processor.execute(sql, replaceSql);
+            } catch (Exception e) {
+                throw new RuntimeException(e.getMessage());
             }
+        }
 
-            if (sort != null) {
-                StringBuilder orderBuilder = new StringBuilder();
-                for (Sort.Order order : sort) {
-                    if (orderBuilder.length() == 0) {
-                        orderBuilder.append(" ORDER BY ");
-                    } else {
-                        orderBuilder.append(", ");
-                    }
-                    orderBuilder.append(order.getProperty())
-                            .append(" ")
-                            .append(order.getDirection().name());
-                }
+        for (Map.Entry<String, String> replaceSqlEntry : replaceSql.entrySet()) {
+            sql = sql.replaceAll("\\$\\{"+replaceSqlEntry.getKey()+"}", replaceSqlEntry.getValue());
+        }
 
-                sql += orderBuilder.toString();
+        if (sort != null) {
+            StringBuilder orderBuilder = new StringBuilder();
+            for (Sort.Order order : sort) {
+                if (orderBuilder.length() == 0) {
+                    orderBuilder.append(" ORDER BY ");
+                } else {
+                    orderBuilder.append(", ");
+                }
+                orderBuilder.append(order.getProperty())
+                        .append(" ")
+                        .append(order.getDirection().name());
             }
 
-            if (useTenant) {
-                NativeQueryTenantNamedParameterJdbcTemplateInterceptor tenantJdbcTemplate = ApplicationContextProvider.getApplicationContext().getBean(NativeQueryTenantNamedParameterJdbcTemplateInterceptor.class);
-                sql = sql.replace(":SCHEMA", tenantJdbcTemplate.getTenant());
-            }
+            sql += orderBuilder.toString();
+        }
+
+        if (useTenant) {
+            NativeQueryTenantNamedParameterJdbcTemplateInterceptor tenantJdbcTemplate = ApplicationContextProvider.getApplicationContext().getBean(NativeQueryTenantNamedParameterJdbcTemplateInterceptor.class);
+            sql = sql.replace(":SCHEMA", tenantJdbcTemplate.getTenant());
         }
 
         return sql;
     }
 
+    private String getSqlProcessed() {
+        return new JtwigTemplateEngineSQLProcessor()
+                .setParameter(parameterList)
+                .inline(useSqlInline)
+                .setClasspathTemplate(file)
+                .setInlineTemplate(sqlInline)
+                .getSql();
+    }
+
     String getSqlTotalRecord() {
         return "select count(*) as totalRecords from (" + getSql() + ") x";
     }
diff --git a/src/main/java/io/github/gasparbarancelli/NativeQueryParameter.java b/src/main/java/io/github/gasparbarancelli/NativeQueryParameter.java
index fe97110..c704877 100644
--- a/src/main/java/io/github/gasparbarancelli/NativeQueryParameter.java
+++ b/src/main/java/io/github/gasparbarancelli/NativeQueryParameter.java
@@ -8,7 +8,7 @@
 import java.util.List;
 import java.util.Map;
 
-class NativeQueryParameter implements Serializable, Cloneable {
+public class NativeQueryParameter implements Serializable, Cloneable {
 
     private final String name;
 
diff --git a/src/main/java/io/github/gasparbarancelli/engine/TemplateEngineSQLProcessor.java b/src/main/java/io/github/gasparbarancelli/engine/TemplateEngineSQLProcessor.java
new file mode 100644
index 0000000..21bf3e4
--- /dev/null
+++ b/src/main/java/io/github/gasparbarancelli/engine/TemplateEngineSQLProcessor.java
@@ -0,0 +1,49 @@
+package io.github.gasparbarancelli.engine;
+
+import io.github.gasparbarancelli.NativeQueryParameter;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public abstract class TemplateEngineSQLProcessor {
+
+    private String inlineTemplate;
+    private String classpathTemplate;
+    private boolean inline;
+    private Map<String, Object> parameters;
+
+    protected abstract String processInline(String sql);
+
+    protected abstract String processFile(String classpathTemplate);
+
+    public final TemplateEngineSQLProcessor inline(boolean inline) {
+        this.inline = inline;
+        return this;
+    }
+
+    public final TemplateEngineSQLProcessor setClasspathTemplate(String classpathTemplate) {
+        this.classpathTemplate = classpathTemplate;
+        return this;
+    }
+
+    public final TemplateEngineSQLProcessor setInlineTemplate(String inlineTemplate) {
+        this.inlineTemplate = inlineTemplate;
+        return this;
+    }
+
+    public final TemplateEngineSQLProcessor setParameter(List<NativeQueryParameter> parameters) {
+        this.parameters = parameters.stream()
+                .collect(HashMap::new, (m, v) -> m.put(v.getName(), v.getValue()), HashMap::putAll);
+        return this;
+    }
+
+    protected Map<String, Object> getParameters() {
+        return Collections.unmodifiableMap(parameters);
+    }
+
+    public final String getSql() {
+        return inline ? processInline(inlineTemplate) : processFile(classpathTemplate);
+    }
+}
diff --git a/src/main/java/io/github/gasparbarancelli/JtwigTemplateConfig.java b/src/main/java/io/github/gasparbarancelli/engine/jtwig/JtwigTemplateConfig.java
similarity index 93%
rename from src/main/java/io/github/gasparbarancelli/JtwigTemplateConfig.java
rename to src/main/java/io/github/gasparbarancelli/engine/jtwig/JtwigTemplateConfig.java
index 97483ee..39558a4 100644
--- a/src/main/java/io/github/gasparbarancelli/JtwigTemplateConfig.java
+++ b/src/main/java/io/github/gasparbarancelli/engine/jtwig/JtwigTemplateConfig.java
@@ -1,4 +1,4 @@
-package io.github.gasparbarancelli;
+package io.github.gasparbarancelli.engine.jtwig;
 
 import org.jtwig.environment.EnvironmentConfiguration;
 import org.jtwig.environment.EnvironmentConfigurationBuilder;
diff --git a/src/main/java/io/github/gasparbarancelli/engine/jtwig/JtwigTemplateEngineSQLProcessor.java b/src/main/java/io/github/gasparbarancelli/engine/jtwig/JtwigTemplateEngineSQLProcessor.java
new file mode 100644
index 0000000..a339fcc
--- /dev/null
+++ b/src/main/java/io/github/gasparbarancelli/engine/jtwig/JtwigTemplateEngineSQLProcessor.java
@@ -0,0 +1,26 @@
+package io.github.gasparbarancelli.engine.jtwig;
+
+import io.github.gasparbarancelli.engine.TemplateEngineSQLProcessor;
+import org.jtwig.JtwigModel;
+import org.jtwig.JtwigTemplate;
+
+public class JtwigTemplateEngineSQLProcessor extends TemplateEngineSQLProcessor {
+
+    @Override
+    protected String processInline(String sql) {
+        return render(JtwigTemplate.inlineTemplate(sql, JtwigTemplateConfig.get()));
+    }
+
+    @Override
+    protected String processFile(String classpathTemplate) {
+        return render(JtwigTemplate.classpathTemplate(classpathTemplate, JtwigTemplateConfig.get()));
+    }
+
+    private String render(JtwigTemplate jtwigTemplate) {
+        JtwigModel model = JtwigModel.newModel();
+        getParameters().forEach(model::with);
+
+        return jtwigTemplate.render(model);
+    }
+
+}