for checkstyle

pom.xml

@@ -99,6 +99,11 @@
     
     <dependencyManagement>
         <dependencies>
+             <dependency>
+                <groupId>com.google.guava</groupId>
+                <artifactId>guava</artifactId>
+                <version>${guava.version}</version>
+            </dependency>
             <dependency>
                 <groupId>org.slf4j</groupId>
                 <artifactId>slf4j-api</artifactId>
@@ -401,6 +406,11 @@
                         <argLine>-Xmx1024m -XX:MaxPermSize=256m</argLine>
                     </configuration>
                 </plugin>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-shade-plugin</artifactId>
+                    <version>${maven-shade-plugin.version}</version>
+                </plugin>
                 <plugin>
                     <artifactId>maven-assembly-plugin</artifactId>
                     <version>${maven-assembly-plugin.version}</version>