code review

Author: bnasslahsen

.travis.yml

@@ -265,6 +265,9 @@
 								</goals>
 							</execution>
 						</executions>
+						<configuration>
+							<source>8</source>
+						</configuration>
 					</plugin>
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>

pom.xml

@@ -24,7 +24,6 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
-import java.util.Optional;
 import java.util.Set;
 
 import javax.annotation.PostConstruct;
@@ -34,9 +33,9 @@
 import org.springdoc.core.SpringDocConfigProperties;
 import org.springdoc.core.SwaggerUiConfigParameters;
 import org.springdoc.core.SwaggerUiConfigProperties;
-import org.springframework.beans.factory.ObjectProvider;
 import reactor.core.publisher.Mono;
 
+import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.http.server.reactive.ServerHttpRequest;
 import org.springframework.http.server.reactive.ServerHttpResponse;
 import org.springframework.stereotype.Controller;