add  <dependency>
			<groupId>it.unimi.dsi</groupId>
			<artifactId>fastutil</artifactId>
			<version>6.5.15</version>
		</dependency>
		<dependency>
			<groupId>net.sf.trove4j</groupId>
			<artifactId>trove4j</artifactId>
			<version>3.0.3</version>
		</dependency>

		<dependency>
			<groupId>com.googlecode.lambdaj</groupId>
			<artifactId>lambdaj</artifactId>
			<version>2.3.3</version>
		</dependency>