samza-api/src/main/java/org/apache/samza/system/IncomingMessageEnvelope.java
samza-sql/src/main/java/org/apache/samza/sql/data/SamzaSqlRelMessage.java

samza-api/src/main/java/org/apache/samza/system/ControlMessage.java
samza-sql/src/main/java/org/apache/samza/sql/data/SamzaSqlRelMessage.java

samza-api/src/main/java/org/apache/samza/Partition.java
samza-sql/src/main/java/org/apache/samza/sql/data/SamzaSqlRelMessage.java

samza-api/src/main/java/org/apache/samza/job/model/JobModel.java
samza-sql/src/main/java/org/apache/samza/sql/data/SamzaSqlRelMessage.java

samza-api/src/main/java/org/apache/samza/job/model/ContainerModel.java
samza-sql/src/main/java/org/apache/samza/sql/data/SamzaSqlRelMessage.java

samza-api/src/main/java/org/apache/samza/system/DrainMessage.java
samza-sql/src/main/java/org/apache/samza/sql/data/SamzaSqlRelMessage.java

samza-api/src/main/java/org/apache/samza/system/WatermarkMessage.java
samza-sql/src/main/java/org/apache/samza/sql/data/SamzaSqlRelMessage.java

samza-api/src/main/java/org/apache/samza/system/SystemStreamMetadata.java
samza-sql/src/main/java/org/apache/samza/sql/data/SamzaSqlRelMessage.java

samza-api/src/main/java/org/apache/samza/config/MapConfig.java
samza-sql/src/main/java/org/apache/samza/sql/data/SamzaSqlRelMessage.java

samza-api/src/main/java/org/apache/samza/system/SystemStream.java
samza-sql/src/main/java/org/apache/samza/sql/data/SamzaSqlRelMessage.java

samza-api/src/main/java/org/apache/samza/system/OutgoingMessageEnvelope.java
samza-sql/src/main/java/org/apache/samza/sql/data/SamzaSqlRelMessage.java

samza-api/src/main/java/org/apache/samza/sql/SamzaSqlRelRecord.java
samza-sql/src/main/java/org/apache/samza/sql/data/SamzaSqlRelMessage.java