diff --git a/.periphery.yml b/.periphery.yml
new file mode 100644
index 0000000..85b884a
--- /dev/null
+++ b/.periphery.yml
@@ -0,0 +1 @@
+retain_public: true
diff --git a/Package.swift b/Package.swift
index 1eac097..42c9345 100644
--- a/Package.swift
+++ b/Package.swift
@@ -4,46 +4,43 @@
 import PackageDescription
 
 let package = Package(
-    name: "SyntaxKit",
-    platforms: [
-        .macOS(.v13),
-        .iOS(.v13),
-        .watchOS(.v6),
-        .tvOS(.v13),
-        .visionOS(.v1)
-    ],
-    products: [
-        // Products define the executables and libraries a package produces, making them visible to other packages.
-        .library(
-            name: "SyntaxKit",
-            targets: ["SyntaxKit"]
-        ),
-        .executable(
-            name: "skit",
-            targets: ["skit"]
-        ),
-    ],
-    dependencies: [
-        .package(url: "https://github.com/apple/swift-syntax.git", from: "601.0.1")
-    ],
-    targets: [
-        // Targets are the basic building blocks of a package, defining a module or a test suite.
-        // Targets can depend on other targets in this package and products from dependencies.
-        .target(
-            name: "SyntaxKit",
-            dependencies: [
-                .product(name: "SwiftSyntax", package: "swift-syntax"),
-                .product(name: "SwiftOperators", package: "swift-syntax"),
-                .product(name: "SwiftParser", package: "swift-syntax")
-            ]
-        ),
-        .executableTarget(
-            name: "skit",
-            dependencies: ["SyntaxKit"]
-        ),
-        .testTarget(
-            name: "SyntaxKitTests",
-            dependencies: ["SyntaxKit"]
-        ),
-    ]
+  name: "SyntaxKit",
+  platforms: [
+    .macOS(.v13),
+    .iOS(.v13),
+    .watchOS(.v6),
+    .tvOS(.v13),
+    .visionOS(.v1)
+  ],
+  products: [
+    .library(
+      name: "SyntaxKit",
+      targets: ["SyntaxKit"]
+    ),
+    .executable(
+      name: "skit",
+      targets: ["skit"]
+    ),
+  ],
+  dependencies: [
+    .package(url: "https://github.com/apple/swift-syntax.git", from: "601.0.1")
+  ],
+  targets: [
+    .target(
+      name: "SyntaxKit",
+      dependencies: [
+        .product(name: "SwiftSyntax", package: "swift-syntax"),
+        .product(name: "SwiftOperators", package: "swift-syntax"),
+        .product(name: "SwiftParser", package: "swift-syntax")
+      ]
+    ),
+    .executableTarget(
+      name: "skit",
+      dependencies: ["SyntaxKit"]
+    ),
+    .testTarget(
+      name: "SyntaxKitTests",
+      dependencies: ["SyntaxKit"]
+    ),
+  ]
 )
diff --git a/Scripts/lint.sh b/Scripts/lint.sh
index 533a00a..e0e82f6 100755
--- a/Scripts/lint.sh
+++ b/Scripts/lint.sh
@@ -75,6 +75,8 @@ $PACKAGE_DIR/Scripts/header.sh -d  $PACKAGE_DIR/Sources -c "Leo Dion" -o "Bright
 run_command $MINT_RUN swiftlint lint $SWIFTLINT_OPTIONS
 run_command $MINT_RUN swift-format lint --recursive --parallel $SWIFTFORMAT_OPTIONS Sources Tests
 
-#$MINT_RUN periphery scan $PERIPHERY_OPTIONS --disable-update-check
+if [ -z "$CI" ]; then
+    run_command $MINT_RUN periphery scan $PERIPHERY_OPTIONS --disable-update-check
+fi
 
 popd
diff --git a/Sources/SyntaxKit/CodeBlock.swift b/Sources/SyntaxKit/CodeBlock.swift
index 2da3ecc..086e2a1 100644
--- a/Sources/SyntaxKit/CodeBlock.swift
+++ b/Sources/SyntaxKit/CodeBlock.swift
@@ -46,7 +46,7 @@ public protocol CodeBlockBuilder {
 
 /// A result builder for creating arrays of ``CodeBlock``s.
 @resultBuilder
-public struct CodeBlockBuilderResult {
+public enum CodeBlockBuilderResult {
   /// Builds a block of ``CodeBlock``s.
   public static func buildBlock(_ components: CodeBlock...) -> [CodeBlock] {
     components
diff --git a/Sources/SyntaxKit/ParameterBuilderResult.swift b/Sources/SyntaxKit/ParameterBuilderResult.swift
index 3e3bad6..43c641e 100644
--- a/Sources/SyntaxKit/ParameterBuilderResult.swift
+++ b/Sources/SyntaxKit/ParameterBuilderResult.swift
@@ -31,7 +31,7 @@ import Foundation
 
 /// A result builder for creating arrays of ``Parameter``s.
 @resultBuilder
-public struct ParameterBuilderResult {
+public enum ParameterBuilderResult {
   /// Builds a block of ``Parameter``s.
   public static func buildBlock(_ components: Parameter...) -> [Parameter] {
     components
diff --git a/Sources/SyntaxKit/ParameterExpBuilderResult.swift b/Sources/SyntaxKit/ParameterExpBuilderResult.swift
index 4cf937a..ef98f12 100644
--- a/Sources/SyntaxKit/ParameterExpBuilderResult.swift
+++ b/Sources/SyntaxKit/ParameterExpBuilderResult.swift
@@ -31,7 +31,7 @@ import Foundation
 
 /// A result builder for creating arrays of ``ParameterExp``s.
 @resultBuilder
-public struct ParameterExpBuilderResult {
+public enum ParameterExpBuilderResult {
   /// Builds a block of ``ParameterExp``s.
   public static func buildBlock(_ components: ParameterExp...) -> [ParameterExp] {
     components
diff --git a/Sources/SyntaxKit/parser/SyntaxParser.swift b/Sources/SyntaxKit/parser/SyntaxParser.swift
index a58afdb..f4f38e5 100644
--- a/Sources/SyntaxKit/parser/SyntaxParser.swift
+++ b/Sources/SyntaxKit/parser/SyntaxParser.swift
@@ -32,7 +32,7 @@ import SwiftOperators
 import SwiftParser
 import SwiftSyntax
 
-package struct SyntaxParser {
+package enum SyntaxParser {
   package static func parse(code: String, options: [String] = []) throws -> SyntaxResponse {
     let sourceFile = Parser.parse(source: code)
 
@@ -53,6 +53,6 @@ package struct SyntaxParser {
     let encoder = JSONEncoder()
     let json = String(decoding: try encoder.encode(tree), as: UTF8.self)
 
-    return SyntaxResponse(syntaxJSON: json, swiftVersion: version)
+    return SyntaxResponse(syntaxJSON: json)
   }
 }
diff --git a/Sources/SyntaxKit/parser/SyntaxResponse.swift b/Sources/SyntaxKit/parser/SyntaxResponse.swift
index 1774a1a..7dbb636 100644
--- a/Sources/SyntaxKit/parser/SyntaxResponse.swift
+++ b/Sources/SyntaxKit/parser/SyntaxResponse.swift
@@ -30,7 +30,5 @@
 import Foundation
 
 package struct SyntaxResponse: Codable {
-  // package let syntaxHTML: String
   package let syntaxJSON: String
-  package let swiftVersion: String
 }
diff --git a/Sources/SyntaxKit/parser/TokenVisitor.swift b/Sources/SyntaxKit/parser/TokenVisitor.swift
index 88ab4ed..aad7ca5 100644
--- a/Sources/SyntaxKit/parser/TokenVisitor.swift
+++ b/Sources/SyntaxKit/parser/TokenVisitor.swift
@@ -97,10 +97,8 @@ final class TokenVisitor: SyntaxRewriter {
       range: Range(
         startRow: start.line,
         startColumn: start.column,
-        graphemeStartColumn: graphemeStartColumn,
         endRow: end.line,
-        endColumn: end.column,
-        graphemeEndColumn: graphemeEndColumn
+        endColumn: end.column
       ),
       type: syntaxType
     )
@@ -185,9 +183,7 @@ final class TokenVisitor: SyntaxRewriter {
       .escapeHTML()
       .replaceInvisiblesWithHTML()
       .replaceHTMLWhitespacesWithSymbols()
-    if token.presence == .missing {
-      current.class = "\(token.presence)"
-    }
+
     current.token = Token(kind: "\(token.tokenKind)", leadingTrivia: "", trailingTrivia: "")
 
     token.leadingTrivia.forEach { piece in
diff --git a/Sources/SyntaxKit/parser/TreeNode.swift b/Sources/SyntaxKit/parser/TreeNode.swift
index cb6b808..4c35089 100644
--- a/Sources/SyntaxKit/parser/TreeNode.swift
+++ b/Sources/SyntaxKit/parser/TreeNode.swift
@@ -35,12 +35,10 @@ final class TreeNode: Codable {
 
   var text: String
   var range = Range(
-    startRow: 0, startColumn: 0, graphemeStartColumn: 0, endRow: 0, endColumn: 0,
-    graphemeEndColumn: 0)
+    startRow: 0, startColumn: 0, endRow: 0, endColumn: 0)
   var structure = [StructureProperty]()
   var type: SyntaxType
   var token: Token?
-  var `class`: String?
 
   init(id: Int, text: String, range: Range, type: SyntaxType) {
     self.id = id
@@ -76,10 +74,8 @@ extension TreeNode: CustomStringConvertible {
 struct Range: Codable, Equatable {
   let startRow: Int
   let startColumn: Int
-  let graphemeStartColumn: Int
   let endRow: Int
   let endColumn: Int
-  let graphemeEndColumn: Int
 }
 
 extension Range: CustomStringConvertible {
diff --git a/Sources/SyntaxKit/parser/Version.swift b/Sources/SyntaxKit/parser/Version.swift
deleted file mode 100644
index 3a5f2ac..0000000
--- a/Sources/SyntaxKit/parser/Version.swift
+++ /dev/null
@@ -1,32 +0,0 @@
-//
-//  Version.swift
-//  SyntaxKit
-//
-//  Created by Leo Dion.
-//  Copyright © 2025 BrightDigit.
-//
-//  Permission is hereby granted, free of charge, to any person
-//  obtaining a copy of this software and associated documentation
-//  files (the “Software”), to deal in the Software without
-//  restriction, including without limitation the rights to use,
-//  copy, modify, merge, publish, distribute, sublicense, and/or
-//  sell copies of the Software, and to permit persons to whom the
-//  Software is furnished to do so, subject to the following
-//  conditions:
-//
-//  The above copyright notice and this permission notice shall be
-//  included in all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
-//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
-//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-//  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-//  OTHER DEALINGS IN THE SOFTWARE.
-//
-
-import Foundation
-
-let version = "6.01.0"