import java.util.stream.Stream;
import static java.util.Arrays.asList;
-import static java.util.Collections.*;
+import static java.util.Collections.emptyList;
+import static java.util.Collections.emptyMap;
+import static java.util.Collections.singletonList;
import static java.util.stream.Collectors.toMap;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.ArgumentMatchers.eq;