diff --git a/tweed5-attributes-extension/src/main/java/de/siphalor/tweed5/attributesextension/api/AttributesExtension.java b/tweed5-attributes-extension/src/main/java/de/siphalor/tweed5/attributesextension/api/AttributesExtension.java
index 052ed1e..bbf10e0 100644
--- a/tweed5-attributes-extension/src/main/java/de/siphalor/tweed5/attributesextension/api/AttributesExtension.java
+++ b/tweed5-attributes-extension/src/main/java/de/siphalor/tweed5/attributesextension/api/AttributesExtension.java
@@ -11,6 +11,11 @@ import java.util.function.Consumer;
 
 public interface AttributesExtension extends TweedExtension {
 	Class<? extends AttributesExtension> DEFAULT = AttributesExtensionImpl.class;
+	String EXTENSION_ID = "attributes";
+
+	default String getId() {
+		return EXTENSION_ID;
+	}
 
 	static <C extends ConfigEntry<?>> Consumer<C> attribute(String key, String value) {
 		return entry -> entry.container().extension(AttributesExtension.class)
diff --git a/tweed5-attributes-extension/src/main/java/de/siphalor/tweed5/attributesextension/api/serde/filter/AttributesReadWriteFilterExtension.java b/tweed5-attributes-extension/src/main/java/de/siphalor/tweed5/attributesextension/api/serde/filter/AttributesReadWriteFilterExtension.java
index 4051487..49ab903 100644
--- a/tweed5-attributes-extension/src/main/java/de/siphalor/tweed5/attributesextension/api/serde/filter/AttributesReadWriteFilterExtension.java
+++ b/tweed5-attributes-extension/src/main/java/de/siphalor/tweed5/attributesextension/api/serde/filter/AttributesReadWriteFilterExtension.java
@@ -6,6 +6,11 @@ import de.siphalor.tweed5.patchwork.api.Patchwork;
 
 public interface AttributesReadWriteFilterExtension extends TweedExtension {
 	Class<? extends AttributesReadWriteFilterExtension> DEFAULT = AttributesReadWriteFilterExtensionImpl.class;
+	String EXTENSION_ID = "attributes-read-write-filter";
+
+	default String getId() {
+		return EXTENSION_ID;
+	}
 
 	void markAttributeForFiltering(String key);
 
diff --git a/tweed5-attributes-extension/src/main/java/de/siphalor/tweed5/attributesextension/impl/AttributesExtensionImpl.java b/tweed5-attributes-extension/src/main/java/de/siphalor/tweed5/attributesextension/impl/AttributesExtensionImpl.java
index 93e65f2..497a8d7 100644
--- a/tweed5-attributes-extension/src/main/java/de/siphalor/tweed5/attributesextension/impl/AttributesExtensionImpl.java
+++ b/tweed5-attributes-extension/src/main/java/de/siphalor/tweed5/attributesextension/impl/AttributesExtensionImpl.java
@@ -26,11 +26,6 @@ public class AttributesExtensionImpl implements AttributesExtension {
 		this.dataAccess = setupContext.registerEntryExtensionData(CustomEntryData.class);
 	}
 
-	@Override
-	public String getId() {
-		return "attributes";
-	}
-
 	@Override
 	public void setAttribute(ConfigEntry<?> entry, String key, List<String> values) {
 		requireEditable();
diff --git a/tweed5-attributes-extension/src/main/java/de/siphalor/tweed5/attributesextension/impl/serde/filter/AttributesReadWriteFilterExtensionImpl.java b/tweed5-attributes-extension/src/main/java/de/siphalor/tweed5/attributesextension/impl/serde/filter/AttributesReadWriteFilterExtensionImpl.java
index 834a40f..5accf27 100644
--- a/tweed5-attributes-extension/src/main/java/de/siphalor/tweed5/attributesextension/impl/serde/filter/AttributesReadWriteFilterExtensionImpl.java
+++ b/tweed5-attributes-extension/src/main/java/de/siphalor/tweed5/attributesextension/impl/serde/filter/AttributesReadWriteFilterExtensionImpl.java
@@ -15,7 +15,6 @@ import de.siphalor.tweed5.data.extension.api.TweedEntryWriter;
 import de.siphalor.tweed5.data.extension.api.TweedReadContext;
 import de.siphalor.tweed5.data.extension.api.extension.ReadWriteExtensionSetupContext;
 import de.siphalor.tweed5.data.extension.api.extension.ReadWriteRelatedExtension;
-import de.siphalor.tweed5.data.extension.api.readwrite.TweedEntryReaderWriters;
 import de.siphalor.tweed5.data.extension.impl.TweedEntryReaderWriterImpls;
 import de.siphalor.tweed5.dataapi.api.DelegatingTweedDataVisitor;
 import de.siphalor.tweed5.dataapi.api.TweedDataReader;
@@ -25,7 +24,10 @@ import de.siphalor.tweed5.dataapi.api.decoration.TweedDataDecoration;
 import de.siphalor.tweed5.patchwork.api.Patchwork;
 import de.siphalor.tweed5.patchwork.api.PatchworkPartAccess;
 import de.siphalor.tweed5.utils.api.UniqueSymbol;
-import lombok.*;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import lombok.Setter;
+import lombok.var;
 import org.jspecify.annotations.NonNull;
 import org.jspecify.annotations.Nullable;
 
@@ -33,7 +35,6 @@ import java.util.*;
 
 public class AttributesReadWriteFilterExtensionImpl
 		implements AttributesReadWriteFilterExtension, AttributesRelatedExtension, ReadWriteRelatedExtension {
-	private static final String ID = "attributes-serde-filter";
 	private static final Set<String> MIDDLEWARES_MUST_COME_BEFORE = new HashSet<>(Arrays.asList(
 			Middleware.DEFAULT_START,
 			"validation"
@@ -53,11 +54,6 @@ public class AttributesReadWriteFilterExtensionImpl
 		entryDataAccess = setupContext.registerEntryExtensionData(EntryCustomData.class);
 	}
 
-	@Override
-	public String getId() {
-		return ID;
-	}
-
 	@Override
 	public void setupReadWriteExtension(ReadWriteExtensionSetupContext context) {
 		readWriteContextDataAccess = context.registerReadWriteContextExtensionData(ReadWriteContextCustomData.class);
@@ -178,7 +174,7 @@ public class AttributesReadWriteFilterExtensionImpl
 	private class ReaderMiddleware implements Middleware<TweedEntryReader<?, ?>> {
 		@Override
 		public String id() {
-			return ID;
+			return EXTENSION_ID;
 		}
 
 		@Override
@@ -220,7 +216,7 @@ public class AttributesReadWriteFilterExtensionImpl
 	private class WriterMiddleware implements Middleware<TweedEntryWriter<?, ?>> {
 		@Override
 		public String id() {
-			return ID;
+			return EXTENSION_ID;
 		}
 
 		@Override
diff --git a/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/comment/api/CommentExtension.java b/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/comment/api/CommentExtension.java
index 8032875..9e11d40 100644
--- a/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/comment/api/CommentExtension.java
+++ b/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/comment/api/CommentExtension.java
@@ -9,6 +9,7 @@ import java.util.function.Consumer;
 
 public interface CommentExtension extends TweedExtension {
 	Class<? extends CommentExtension> DEFAULT = CommentExtensionImpl.class;
+	String EXTENSION_ID = "comment";
 
 	static <C extends ConfigEntry<?>> Consumer<C> baseComment(String baseComment) {
 		return entry -> {
diff --git a/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/comment/impl/CommentExtensionImpl.java b/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/comment/impl/CommentExtensionImpl.java
index 57c5899..28b2492 100644
--- a/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/comment/impl/CommentExtensionImpl.java
+++ b/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/comment/impl/CommentExtensionImpl.java
@@ -34,7 +34,7 @@ public class CommentExtensionImpl implements ReadWriteRelatedExtension, CommentE
 
 	@Override
 	public String getId() {
-		return "comment";
+		return EXTENSION_ID;
 	}
 
 	@Override
diff --git a/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/pather/api/PatherExtension.java b/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/pather/api/PatherExtension.java
index c523f21..578d9b6 100644
--- a/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/pather/api/PatherExtension.java
+++ b/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/pather/api/PatherExtension.java
@@ -7,6 +7,12 @@ import de.siphalor.tweed5.defaultextensions.pather.impl.PatherExtensionImpl;
 
 public interface PatherExtension extends TweedExtension {
 	Class<? extends PatherExtension> DEFAULT = PatherExtensionImpl.class;
+	String EXTENSION_ID = "pather";
+
+	@Override
+	default String getId() {
+		return EXTENSION_ID;
+	}
 
 	String getPath(TweedReadContext context);
 	String getPath(TweedWriteContext context);
diff --git a/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/pather/impl/PatherExtensionImpl.java b/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/pather/impl/PatherExtensionImpl.java
index abdac95..e8d3a15 100644
--- a/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/pather/impl/PatherExtensionImpl.java
+++ b/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/pather/impl/PatherExtensionImpl.java
@@ -2,7 +2,6 @@ package de.siphalor.tweed5.defaultextensions.pather.impl;
 
 import com.google.auto.service.AutoService;
 import de.siphalor.tweed5.core.api.entry.ConfigEntry;
-import de.siphalor.tweed5.core.api.extension.TweedExtension;
 import de.siphalor.tweed5.core.api.middleware.Middleware;
 import de.siphalor.tweed5.data.extension.api.*;
 import de.siphalor.tweed5.data.extension.api.extension.ReadWriteExtensionSetupContext;
@@ -20,16 +19,9 @@ import org.jspecify.annotations.NonNull;
 import org.jspecify.annotations.Nullable;
 
 @AutoService(PatherExtension.class)
-public class PatherExtensionImpl implements PatherExtension, TweedExtension, ReadWriteRelatedExtension {
-	private static final String PATHER_ID = "pather";
-
+public class PatherExtensionImpl implements PatherExtension, ReadWriteRelatedExtension {
 	private @Nullable PatchworkPartAccess<PathTracking> rwContextPathTrackingAccess;
 
-	@Override
-	public String getId() {
-		return PATHER_ID;
-	}
-
 	@Override
 	public void setupReadWriteExtension(ReadWriteExtensionSetupContext context) {
 		rwContextPathTrackingAccess = context.registerReadWriteContextExtensionData(PathTracking.class);
@@ -63,7 +55,7 @@ public class PatherExtensionImpl implements PatherExtension, TweedExtension, Rea
 		return new Middleware<TweedEntryReader<?, ?>>() {
 			@Override
 			public String id() {
-				return PATHER_ID;
+				return EXTENSION_ID;
 			}
 
 			@Override
@@ -105,7 +97,7 @@ public class PatherExtensionImpl implements PatherExtension, TweedExtension, Rea
 		return new Middleware<TweedEntryWriter<?, ?>>() {
 			@Override
 			public String id() {
-				return PATHER_ID;
+				return EXTENSION_ID;
 			}
 
 			@Override
diff --git a/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/validation/api/ValidationExtension.java b/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/validation/api/ValidationExtension.java
index af241bb..c6dcfc3 100644
--- a/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/validation/api/ValidationExtension.java
+++ b/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/validation/api/ValidationExtension.java
@@ -16,6 +16,12 @@ import java.util.function.Function;
 
 public interface ValidationExtension extends TweedExtension {
 	Class<? extends ValidationExtension> DEFAULT = ValidationExtensionImpl.class;
+	String EXTENSION_ID = "validation";
+
+	@Override
+	default String getId() {
+		return EXTENSION_ID;
+	}
 
 	static <C extends ConfigEntry<T>, T> Consumer<C> validators(ConfigEntryValidator... validators) {
 		return entry -> {
diff --git a/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/validation/impl/ValidationExtensionImpl.java b/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/validation/impl/ValidationExtensionImpl.java
index a3b61f7..ac1fc2e 100644
--- a/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/validation/impl/ValidationExtensionImpl.java
+++ b/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/validation/impl/ValidationExtensionImpl.java
@@ -79,11 +79,6 @@ public class ValidationExtensionImpl implements ReadWriteRelatedExtension, Valid
 		context.registerExtension(PatherExtension.class);
 	}
 
-	@Override
-	public String getId() {
-		return "validation";
-	}
-
 	@Override
 	public void extensionsFinalized() {
 		for (TweedExtension extension : configContainer.extensions()) {
@@ -104,7 +99,7 @@ public class ValidationExtensionImpl implements ReadWriteRelatedExtension, Valid
 		return new Middleware<CommentProducer>() {
 			@Override
 			public String id() {
-				return "validation";
+				return EXTENSION_ID;
 			}
 
 			@Override
@@ -205,12 +200,12 @@ public class ValidationExtensionImpl implements ReadWriteRelatedExtension, Valid
 	private class EntryValidationReaderMiddleware implements Middleware<TweedEntryReader<?, ?>> {
 		@Override
 		public String id() {
-			return "validation";
+			return EXTENSION_ID;
 		}
 
 		@Override
 		public Set<String> mustComeAfter() {
-			return Collections.singleton("pather");
+			return Collections.singleton(PatherExtension.EXTENSION_ID);
 		}
 
 		@Override
diff --git a/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/validationfallback/api/ValidationFallbackExtension.java b/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/validationfallback/api/ValidationFallbackExtension.java
index b0553f0..d5fd857 100644
--- a/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/validationfallback/api/ValidationFallbackExtension.java
+++ b/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/validationfallback/api/ValidationFallbackExtension.java
@@ -8,6 +8,12 @@ import java.util.function.Consumer;
 
 public interface ValidationFallbackExtension extends TweedExtension {
 	Class<? extends ValidationFallbackExtension> DEFAULT = ValidationFallbackExtensionImpl.class;
+	String EXTENSION_ID = "validation-fallback";
+
+	@Override
+	default String getId() {
+		return EXTENSION_ID;
+	}
 
 	static <C extends ConfigEntry<T>, T> Consumer<C> validationFallbackValue(T value) {
 		return entry -> {
diff --git a/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/validationfallback/impl/ValidationFallbackExtensionImpl.java b/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/validationfallback/impl/ValidationFallbackExtensionImpl.java
index 5f515ca..fbf51c4 100644
--- a/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/validationfallback/impl/ValidationFallbackExtensionImpl.java
+++ b/tweed5-default-extensions/src/main/java/de/siphalor/tweed5/defaultextensions/validationfallback/impl/ValidationFallbackExtensionImpl.java
@@ -28,11 +28,6 @@ public class ValidationFallbackExtensionImpl implements ValidationFallbackExtens
 		customEntryDataAccess = context.registerEntryExtensionData(CustomEntryData.class);
 	}
 
-	@Override
-	public String getId() {
-		return "validation-fallback";
-	}
-
 	@Override
 	public <T> void setFallbackValue(ConfigEntry<T> entry, T value) {
 		getOrCreateCustomEntryData(entry).fallbackValue(value);
@@ -60,7 +55,7 @@ public class ValidationFallbackExtensionImpl implements ValidationFallbackExtens
 	private class ValidationFallbackMiddleware implements Middleware<ConfigEntryValidator> {
 		@Override
 		public String id() {
-			return "validation-fallback";
+			return EXTENSION_ID;
 		}
 
 		@Override
diff --git a/tweed5-serde-extension/src/main/java/de/siphalor/tweed5/data/extension/api/ReadWriteExtension.java b/tweed5-serde-extension/src/main/java/de/siphalor/tweed5/data/extension/api/ReadWriteExtension.java
index 4b5ac87..e40a906 100644
--- a/tweed5-serde-extension/src/main/java/de/siphalor/tweed5/data/extension/api/ReadWriteExtension.java
+++ b/tweed5-serde-extension/src/main/java/de/siphalor/tweed5/data/extension/api/ReadWriteExtension.java
@@ -14,6 +14,12 @@ import java.util.function.Function;
 
 public interface ReadWriteExtension extends TweedExtension {
 	Class<? extends ReadWriteExtension> DEFAULT = ReadWriteExtensionImpl.class;
+	String EXTENSION_ID = "read-write";
+
+	@Override
+	default String getId() {
+		return EXTENSION_ID;
+	}
 
 	static <T> Consumer<ConfigEntry<T>> entryReaderWriter(
 			TweedEntryReaderWriter<T, ? extends ConfigEntry<T>> entryReaderWriter
diff --git a/tweed5-serde-extension/src/main/java/de/siphalor/tweed5/data/extension/impl/ReadWriteExtensionImpl.java b/tweed5-serde-extension/src/main/java/de/siphalor/tweed5/data/extension/impl/ReadWriteExtensionImpl.java
index 1f8a303..c3e64b6 100644
--- a/tweed5-serde-extension/src/main/java/de/siphalor/tweed5/data/extension/impl/ReadWriteExtensionImpl.java
+++ b/tweed5-serde-extension/src/main/java/de/siphalor/tweed5/data/extension/impl/ReadWriteExtensionImpl.java
@@ -38,11 +38,6 @@ public class ReadWriteExtensionImpl implements ReadWriteExtension {
 		this.customEntryDataAccess = context.registerEntryExtensionData(CustomEntryData.class);
 	}
 
-	@Override
-	public String getId() {
-		return "read-write";
-	}
-
 	@Override
 	public void extensionsFinalized() {
 		Collection<TweedExtension> extensions = configContainer.extensions();