diff --git a/sdks/java/core/src/main/java/org/apache/beam/sdk/schemas/FieldValueGetter.java b/sdks/java/core/src/main/java/org/apache/beam/sdk/schemas/FieldValueGetter.java
index dd2279d65ecc..fb98db8e8343 100644
--- a/sdks/java/core/src/main/java/org/apache/beam/sdk/schemas/FieldValueGetter.java
+++ b/sdks/java/core/src/main/java/org/apache/beam/sdk/schemas/FieldValueGetter.java
@@ -33,6 +33,7 @@ public interface FieldValueGetter<ObjectT, ValueT> extends Serializable {
   @Nullable
   ValueT get(ObjectT object);
 
+  /** Returns the raw value of the getter before any further transformations. */
   default @Nullable Object getRaw(ObjectT object) {
     return get(object);
   }
diff --git a/sdks/java/core/src/main/java/org/apache/beam/sdk/values/Row.java b/sdks/java/core/src/main/java/org/apache/beam/sdk/values/Row.java
index 2b27c2d71712..51eb98972aa4 100644
--- a/sdks/java/core/src/main/java/org/apache/beam/sdk/values/Row.java
+++ b/sdks/java/core/src/main/java/org/apache/beam/sdk/values/Row.java
@@ -106,7 +106,8 @@ public abstract class Row implements Serializable {
   /** Return the size of data fields. */
   public abstract int getFieldCount();
 
-  /** Return the list of data values. */
+  /** Return the list of raw unmodified data values to enable 0-copy code. */
+  @Internal
   public abstract List<Object> getValues();
 
   /** Return a list of data values. Any LogicalType values are returned as base values. * */
diff --git a/sdks/java/core/src/main/java/org/apache/beam/sdk/values/RowWithGetters.java b/sdks/java/core/src/main/java/org/apache/beam/sdk/values/RowWithGetters.java
index 56bd5e9ff9f5..b7be1658a8c4 100644
--- a/sdks/java/core/src/main/java/org/apache/beam/sdk/values/RowWithGetters.java
+++ b/sdks/java/core/src/main/java/org/apache/beam/sdk/values/RowWithGetters.java
@@ -24,6 +24,7 @@
 import java.util.TreeMap;
 import org.apache.beam.sdk.annotations.Experimental;
 import org.apache.beam.sdk.annotations.Experimental.Kind;
+import org.apache.beam.sdk.annotations.Internal;
 import org.apache.beam.sdk.schemas.Factory;
 import org.apache.beam.sdk.schemas.FieldValueGetter;
 import org.apache.beam.sdk.schemas.Schema;
@@ -88,6 +89,8 @@ public int getFieldCount() {
     return getters.size();
   }
 
+  /** Return the list of raw unmodified data values to enable 0-copy code. */
+  @Internal
   @Override
   public List<Object> getValues() {
     List<Object> rawValues = new ArrayList<>(getters.size());