grpc/grpc-operation-ledger-jpa/src/main/java/dev/caskeleton/grpc/ledger/GrpcOperationLedgerEntity.java
grpc/grpc-operation-ledger-jpa/src/main/java/dev/caskeleton/grpc/ledger/GrpcOperationLedgerRepository.java
grpc/grpc-operation-ledger-jpa/src/main/java/dev/caskeleton/grpc/ledger/JpaGrpcOperationLedger.java
