diff --git a/mule-migration-tool-e2e-tests/src/test/java/com/mulesoft/tools/migration/e2e/TransformMigrationTestCase.java b/mule-migration-tool-e2e-tests/src/test/java/com/mulesoft/tools/migration/e2e/TransformMigrationTestCase.java
index a8173cb9d..3ce12ed8d 100644
--- a/mule-migration-tool-e2e-tests/src/test/java/com/mulesoft/tools/migration/e2e/TransformMigrationTestCase.java
+++ b/mule-migration-tool-e2e-tests/src/test/java/com/mulesoft/tools/migration/e2e/TransformMigrationTestCase.java
@@ -17,7 +17,8 @@ public class TransformMigrationTestCase extends AbstractEndToEndTestCase {
   @Parameters(name = "{0}")
   public static Object[] params() {
     return new Object[] {
-        "ee_transform/ee_transform_01"
+        "ee_transform/ee_transform_01",
+        "ee_transform/ee_transform_keep_parentheses"
     };
   }
 
diff --git a/mule-migration-tool-e2e-tests/src/test/resources/e2e/ee_transform/ee_transform_keep_parentheses/input/src/main/app/mule-config.xml b/mule-migration-tool-e2e-tests/src/test/resources/e2e/ee_transform/ee_transform_keep_parentheses/input/src/main/app/mule-config.xml
new file mode 100644
index 000000000..3b0b4af6f
--- /dev/null
+++ b/mule-migration-tool-e2e-tests/src/test/resources/e2e/ee_transform/ee_transform_keep_parentheses/input/src/main/app/mule-config.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<mule xmlns:dw="http://www.mulesoft.org/schema/mule/ee/dw"
+      xmlns="http://www.mulesoft.org/schema/mule/core"
+      xmlns:doc="http://www.mulesoft.org/schema/mule/documentation"
+      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+      xsi:schemaLocation="http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd
+http://www.mulesoft.org/schema/mule/ee/dw http://www.mulesoft.org/schema/mule/ee/dw/current/dw.xsd">
+    <flow name="ee-transform-Flow">
+        <set-variable variableName="var1" value="#[{&quot;customerData&quot;: [{&quot;data&quot;: &quot;data1&quot;, &quot;value&quot;: &quot;value1&quot;}, {&quot;data&quot;: &quot;data2&quot;, &quot;value&quot;: &quot;value2&quot;}], &quot;groupData&quot;: [{&quot;name&quot;: &quot;data1&quot;, &quot;value&quot;: &quot;value1&quot;}, {&quot;name&quot;: &quot;data3&quot;, &quot;value&quot;: &quot;value3&quot;}]}" doc:name="Variable"/>
+        <dw:transform-message doc:name="Transform Message">
+            <dw:set-payload>
+                <![CDATA[%dw 1.0
+                %output application/json
+                ---
+                {
+                    Customer: {
+                        customAttribute: flowVars.var1.customerData map ((data01 , indexOfData01) -> {
+                            (flowVars.var1.groupData filter ($.name == data01.data and $.value == data01.value) map ((data02, indexOfPayload02) -> {
+                                data: data02.name
+                            }))
+                        }) filter ($ != {})
+                    }
+                }
+                ]]>
+            </dw:set-payload>
+        </dw:transform-message>
+        <logger/>
+    </flow>
+</mule>
diff --git a/mule-migration-tool-e2e-tests/src/test/resources/e2e/ee_transform/ee_transform_keep_parentheses/output/pom.xml b/mule-migration-tool-e2e-tests/src/test/resources/e2e/ee_transform/ee_transform_keep_parentheses/output/pom.xml
new file mode 100644
index 000000000..384545486
--- /dev/null
+++ b/mule-migration-tool-e2e-tests/src/test/resources/e2e/ee_transform/ee_transform_keep_parentheses/output/pom.xml
@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>org.mule.migrated</groupId>
+  <artifactId>ee_transform_keep_parentheses</artifactId>
+  <version>1.0.0-M4-SNAPSHOT</version>
+  <packaging>mule-application</packaging>
+  <description>Application migrated with MMA</description>
+  <dependencies>
+    <dependency>
+      <groupId>com.mulesoft.mule.modules</groupId>
+      <artifactId>mule-compatibility-module</artifactId>
+      <version>1.4.0</version>
+      <classifier>mule-plugin</classifier>
+    </dependency>
+  </dependencies>
+  <repositories>
+    <repository>
+      <id>mulesoft-releases</id>
+      <name>MuleSoft Releases Repository</name>
+      <url>https://repository.mulesoft.org/releases/</url>
+    </repository>
+    <repository>
+      <id>anypoint-exchange</id>
+      <name>Anypoint Exchange</name>
+      <url>https://maven.anypoint.mulesoft.com/api/v1/maven</url>
+    </repository>
+  </repositories>
+  <pluginRepositories>
+    <pluginRepository>
+      <snapshots>
+        <enabled>true</enabled>
+      </snapshots>
+      <id>mulesoft-releases</id>
+      <name>MuleSoft Releases Repository</name>
+      <url>https://repository.mulesoft.org/releases/</url>
+    </pluginRepository>
+  </pluginRepositories>
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.mule.tools.maven</groupId>
+        <artifactId>mule-maven-plugin</artifactId>
+        <version>3.2.1</version>
+        <extensions>true</extensions>
+        <configuration />
+      </plugin>
+    </plugins>
+  </build>
+</project>
diff --git a/mule-migration-tool-e2e-tests/src/test/resources/e2e/ee_transform/ee_transform_keep_parentheses/output/report/report.json b/mule-migration-tool-e2e-tests/src/test/resources/e2e/ee_transform/ee_transform_keep_parentheses/output/report/report.json
new file mode 100644
index 000000000..1707610c2
--- /dev/null
+++ b/mule-migration-tool-e2e-tests/src/test/resources/e2e/ee_transform/ee_transform_keep_parentheses/output/report/report.json
@@ -0,0 +1,38 @@
+{
+  "projectType": "MULE_THREE_APPLICATION",
+  "projectName": "input",
+  "connectorsMigrated": [],
+  "numberOfMuleComponents": 5,
+  "numberOfMuleComponentsMigrated": 5,
+  "componentDetails": {
+    "mule": {
+      "success": 1,
+      "failure": 0
+    },
+    "logger": {
+      "success": 1,
+      "failure": 0
+    },
+    "flow": {
+      "success": 1,
+      "failure": 0
+    },
+    "set-variable": {
+      "success": 1,
+      "failure": 0
+    },
+    "ee:transform": {
+      "success": 1,
+      "failure": 0
+    }
+  },
+  "numberOfMELExpressions": 0,
+  "numberOfMELExpressionsMigrated": 0,
+  "numberOfMELExpressionLines": 0,
+  "numberOfMELExpressionLinesMigrated": 0,
+  "numberOfDWTransformations": 1,
+  "numberOfDWTransformationsMigrated": 1,
+  "numberOfDWTransformationLines": 12,
+  "numberOfDWTransformationLinesMigrated": 12,
+  "detailedMessages": []
+}
diff --git a/mule-migration-tool-e2e-tests/src/test/resources/e2e/ee_transform/ee_transform_keep_parentheses/output/src/main/mule/mule-config.xml b/mule-migration-tool-e2e-tests/src/test/resources/e2e/ee_transform/ee_transform_keep_parentheses/output/src/main/mule/mule-config.xml
new file mode 100644
index 000000000..c87a8c6ef
--- /dev/null
+++ b/mule-migration-tool-e2e-tests/src/test/resources/e2e/ee_transform/ee_transform_keep_parentheses/output/src/main/mule/mule-config.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<mule xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:doc="http://www.mulesoft.org/schema/mule/documentation" xmlns:ee="http://www.mulesoft.org/schema/mule/ee/core" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.mulesoft.org/schema/mule/ee/core http://www.mulesoft.org/schema/mule/ee/core/current/mule-ee.xsd http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd">
+
+    <flow name="ee-transform-Flow">
+        <set-variable variableName="var1" value="#[{&quot;customerData&quot;: [{&quot;data&quot;: &quot;data1&quot;, &quot;value&quot;: &quot;value1&quot;}, {&quot;data&quot;: &quot;data2&quot;, &quot;value&quot;: &quot;value2&quot;}], &quot;groupData&quot;: [{&quot;name&quot;: &quot;data1&quot;, &quot;value&quot;: &quot;value1&quot;}, {&quot;name&quot;: &quot;data3&quot;, &quot;value&quot;: &quot;value3&quot;}]}" doc:name="Variable" />
+
+        <ee:transform doc:name="Transform Message">
+            <ee:message>
+                <ee:set-payload><![CDATA[%dw 2.0
+output application/json  
+---
+{
+  Customer: {
+    customAttribute: vars.var1.customerData map ((data01, indexOfData01) -> {
+      (vars.var1.groupData filter ($.name == data01.data and $.value == data01.value) map ((data02, indexOfPayload02) -> {
+        data: data02.name
+      }))
+    }) filter (not $ == {})
+  }
+}]]></ee:set-payload>
+            </ee:message>
+        </ee:transform>
+
+        <logger />
+
+    </flow>
+
+</mule>
diff --git a/mule-migration-tool-e2e-tests/src/test/resources/e2e/soapkit/output/src/main/mule/mule-config.xml b/mule-migration-tool-e2e-tests/src/test/resources/e2e/soapkit/output/src/main/mule/mule-config.xml
index 78f11c840..567623a2a 100644
--- a/mule-migration-tool-e2e-tests/src/test/resources/e2e/soapkit/output/src/main/mule/mule-config.xml
+++ b/mule-migration-tool-e2e-tests/src/test/resources/e2e/soapkit/output/src/main/mule/mule-config.xml
@@ -64,8 +64,8 @@ output application/java
         <ee:transform>
             <ee:variables>
                 <ee:set-variable variableName="soap.header">%dw 2.0
-output application/xml  
 ns ns0 http://mulesoft.org/tshirt-service
+output application/xml  
 ---
 {
   ns0#APIUsageInformation: {
@@ -83,14 +83,14 @@ ns ns0 http://mulesoft.org/tshirt-service
 
         <ee:transform>
             <ee:message>
-                <ee:set-payload><![CDATA[%dw 2.0
-output application/java
-import migration::Soapkit
----
-{
-  body: Soapkit::soapBody(payload),
-  headers: Soapkit::soapHeaders(vars),
-  attachments: Soapkit::soapAttachments(vars)
+                <ee:set-payload><![CDATA[%dw 2.0
+output application/java
+import migration::Soapkit
+---
+{
+  body: Soapkit::soapBody(payload),
+  headers: Soapkit::soapHeaders(vars),
+  attachments: Soapkit::soapAttachments(vars)
 }]]></ee:set-payload>
             </ee:message>
         </ee:transform>
@@ -102,14 +102,14 @@ import migration::Soapkit
 
         <ee:transform>
             <ee:message>
-                <ee:set-payload><![CDATA[%dw 2.0
-output application/java
-import migration::Soapkit
----
-{
-  body: Soapkit::soapBody(payload),
-  headers: Soapkit::soapHeaders(vars),
-  attachments: Soapkit::soapAttachments(vars)
+                <ee:set-payload><![CDATA[%dw 2.0
+output application/java
+import migration::Soapkit
+---
+{
+  body: Soapkit::soapBody(payload),
+  headers: Soapkit::soapHeaders(vars),
+  attachments: Soapkit::soapAttachments(vars)
 }]]></ee:set-payload>
             </ee:message>
         </ee:transform>
@@ -121,14 +121,14 @@ import migration::Soapkit
 
         <ee:transform>
             <ee:message>
-                <ee:set-payload><![CDATA[%dw 2.0
-output application/java
-import migration::Soapkit
----
-{
-  body: Soapkit::soapBody(payload),
-  headers: Soapkit::soapHeaders(vars),
-  attachments: Soapkit::soapAttachments(vars)
+                <ee:set-payload><![CDATA[%dw 2.0
+output application/java
+import migration::Soapkit
+---
+{
+  body: Soapkit::soapBody(payload),
+  headers: Soapkit::soapHeaders(vars),
+  attachments: Soapkit::soapAttachments(vars)
 }]]></ee:set-payload>
             </ee:message>
         </ee:transform>
diff --git a/mule-migration-tool-expression/src/main/scala/com/mulesoft/tools/Migrator.scala b/mule-migration-tool-expression/src/main/scala/com/mulesoft/tools/Migrator.scala
index bd597c231..99dfa7dfa 100644
--- a/mule-migration-tool-expression/src/main/scala/com/mulesoft/tools/Migrator.scala
+++ b/mule-migration-tool-expression/src/main/scala/com/mulesoft/tools/Migrator.scala
@@ -15,6 +15,7 @@ import org.mule.weave.v2.parser.ast.header.directives.{VersionDirective, Version
 import org.mule.weave.v2.parser.ast.structure.schema.{SchemaNode, SchemaPropertyNode}
 import org.mule.weave.v2.parser.ast.types.TypeReferenceNode
 import org.mule.weave.v2.parser.ast.variables.{NameIdentifier, VariableReferenceNode}
+import org.mule.weave.v2.parser.location.UnknownLocation
 import org.mule.weave.v2.parser.{ast => dw}
 import org.mule.weave.v2.parser.ast.{AstNode => AstNodeV2}
 
@@ -170,7 +171,7 @@ object Migrator {
     val rRes = toDataweaveAst(right)
     val variableReferenceNode = VariableReferenceNode(NameIdentifier("Java::isInstanceOf"))
     val metadata = lRes.metadata.children ++ rRes.metadata.children
-    val classNameNode = dw.structure.StringNode(rRes.getGeneratedCode(HeaderNode(Seq())).replaceFirst("---\nvars\\.", "")).annotate(QuotedStringAnnotation('''))
+    val classNameNode = dw.structure.StringNode(rRes.getGeneratedCode(HeaderNode(Seq())).replaceFirst("(---\n){0,1}vars\\.", "")).annotate(QuotedStringAnnotation('''))
     new MigrationResult(dw.functions.FunctionCallNode(variableReferenceNode, FunctionCallParametersNode(Seq(lRes.dwAstNode, classNameNode))), DefaultMigrationMetadata(JavaModuleRequired() +: metadata))
   }
 
@@ -178,7 +179,7 @@ object Migrator {
     val parameters = toDataweaveAst(parametersNode)
     val metadata = parameters.metadata.children
     val variableReferenceNode = VariableReferenceNode(NameIdentifier("Java::isCausedBy"))
-    val classNameNode = dw.structure.StringNode(parameters.getGeneratedCode(HeaderNode(Seq())).replaceFirst("---\nvars\\.", "")).annotate(QuotedStringAnnotation('''))
+    val classNameNode = dw.structure.StringNode(parameters.getGeneratedCode(HeaderNode(Seq())).replaceFirst("(---\n){0,1}vars\\.", "")).annotate(QuotedStringAnnotation('''))
     val errorCauseNode = dw.structure.StringNode("error.cause")
     val strictMatchNode = dw.structure.BooleanNode(strictMatch.toString)
     new MigrationResult(dw.functions.FunctionCallNode(variableReferenceNode, FunctionCallParametersNode(Seq(errorCauseNode, classNameNode, strictMatchNode))),DefaultMigrationMetadata(JavaModuleRequired() +: metadata))
@@ -249,7 +250,7 @@ object Migrator {
 
   private def toDataweaveEnclosedExpressionNode(expression: MelExpressionNode): MigrationResult = {
     val result = toDataweaveAst(expression)
-    new MigrationResult(result.dwAstNode.annotate(EnclosedMarkAnnotation()), DefaultMigrationMetadata(result.metadata.children))
+    new MigrationResult(result.dwAstNode.annotate(EnclosedMarkAnnotation(UnknownLocation)), DefaultMigrationMetadata(result.metadata.children))
   }
 
   private def toDataweaveConstructorNode(canonicalName: CanonicalNameNode, arguments: Seq[MelExpressionNode]): MigrationResult = {
@@ -296,7 +297,7 @@ object Migrator {
     val objectNode = dw.structure.ArrayNode(Seq())
     val classValue = dw.structure.StringNode(canonicalName.name)
     //class: "java.util.ArrayList"
-    val schemaProperty = SchemaPropertyNode(NameIdentifier(CLASS_PROPERTY_NAME), classValue)
+    val schemaProperty = SchemaPropertyNode(NameIdentifier(CLASS_PROPERTY_NAME), classValue, None)
     val arrayTypeRef = TypeReferenceNode(NameIdentifier("Array"), None, Some(SchemaNode(Seq(schemaProperty))))
     new MigrationResult(dw.operators.BinaryOpNode(AsOpId, objectNode, arrayTypeRef))
   }
@@ -305,7 +306,7 @@ object Migrator {
     val objectNode = dw.structure.ObjectNode(Seq())
     val classValue = dw.structure.StringNode(canonicalName.name)
     //class: "java.util.HashMap"
-    val schemaProperty = SchemaPropertyNode(NameIdentifier(CLASS_PROPERTY_NAME), classValue)
+    val schemaProperty = SchemaPropertyNode(NameIdentifier(CLASS_PROPERTY_NAME), classValue, None)
     val objectTypeRef = TypeReferenceNode(NameIdentifier("Object"), None, Some(SchemaNode(Seq(schemaProperty))))
     new MigrationResult(dw.operators.BinaryOpNode(AsOpId, objectNode, objectTypeRef))
   }
diff --git a/mule-migration-tool-expression/src/test/scala/com/mulesoft/tools/MigratorTest.scala b/mule-migration-tool-expression/src/test/scala/com/mulesoft/tools/MigratorTest.scala
index 9d29782ae..71d688723 100644
--- a/mule-migration-tool-expression/src/test/scala/com/mulesoft/tools/MigratorTest.scala
+++ b/mule-migration-tool-expression/src/test/scala/com/mulesoft/tools/MigratorTest.scala
@@ -187,4 +187,12 @@ class MigratorTest extends FlatSpec with Matchers {
   it should "fail with dw function with no inline script" in {
     Migrator.migrate("dw(flowVars.test)").metadata.children.head shouldBe NonMigratable("expressions.methodInvocation")
   }
+  
+  it should "migrate mel expression with isInstanceOf function" in {
+    Migrator.migrate("a instanceof org.mule.SomeClass").getGeneratedCode() shouldBe "%dw 2.0\n---\nJava::isInstanceOf(vars.a, 'org.mule.SomeClass')"
+  }
+
+  it should "migrate mel expression with isCausedBy function" in {
+    Migrator.migrate("exception.causedBy(org.mule.RuntimeException)").getGeneratedCode() shouldBe "%dw 2.0\n---\nJava::isCausedBy(error.cause, 'org.mule.RuntimeException', false)"
+  }
 }
diff --git a/pom.xml b/pom.xml
index 9295005c2..382b08bb3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -113,8 +113,8 @@
         <munit.version>2.2.1</munit.version>
 
         <mule.api.version>1.1.5</mule.api.version>
-        <migrant.version>2.1.10</migrant.version>
-        <parser.version>2.1.3</parser.version>
+        <migrant.version>2.4.0</migrant.version>
+        <parser.version>2.4.0</parser.version>
 
         <!-- Properties -->
         <lib-dir>${basedir}/lib</lib-dir>