diff --git a/pom.xml b/pom.xml
index 7f1630d..6f99d56 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,8 +16,8 @@
     </repositories>
 
     <properties>
-        <maven.compiler.source>8</maven.compiler.source>
-        <maven.compiler.target>8</maven.compiler.target>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
 
         <!-- Always fall back to true (safe) -->
         <!-- Request non-production with "-Dproduction=false" -->
diff --git a/src/main/java/me/blvckbytes/bbconfigmapper/YamlConfig.java b/src/main/java/me/blvckbytes/bbconfigmapper/YamlConfig.java
index cf5b962..15cde57 100644
--- a/src/main/java/me/blvckbytes/bbconfigmapper/YamlConfig.java
+++ b/src/main/java/me/blvckbytes/bbconfigmapper/YamlConfig.java
@@ -107,6 +107,18 @@ public YamlConfig(@Nullable IExpressionEvaluator evaluator, Logger logger, @Null
     this.mergedTuples = new ArrayList<>();
   }
 
+  public @Nullable String getExpressionMarkerSuffix() {
+    return this.expressionMarkerSuffix;
+  }
+
+  public MappingNode getRootNode() {
+    return this.rootNode;
+  }
+
+  public String getHeader() {
+    return this.header;
+  }
+
   public void load(Reader reader) {
     Iterator<Node> nodes = YAML.composeAll(reader).iterator();