@Override
            public Request<?> marshall() {
                return new CopyDBClusterSnapshotRequestMarshaller().marshall(originalRequest);
            }
Handler for pre-signing {@link com.amazonaws.services.rds.model.CopyDBClusterSnapshotRequest}.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/CopyDBClusterSnapshotPresignHandler.java