Knox Shell Sqoop.Request class is Package Private

package test.knox.sqoop;

import org.apache.hadoop.gateway.shell.Hadoop;
import org.apache.hadoop.gateway.shell.job.Job;

public class TestSqoop {
  public static void main( String[] args ) {
    try {
      Hadoop session = Hadoop.login( "test", "test", "test" );
      String text = Job.submitSqoop( session ).command( "test command" ).libdir( "libdir" ).now().getString();
      session.shutdown();
    } catch ( Exception e ) {
      e.printStackTrace();
    }
  }
}

[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] /home/andrei/knox-sqoop/src/main/java/test/knox/sqoop/TestSqoop.java:[10,47] command(java.lang.String) in org.apache.hadoop.gateway.shell.job.Sqoop.Request is defined in an inaccessible class or interface
[ERROR] /home/andrei/knox-sqoop/src/main/java/test/knox/sqoop/TestSqoop.java:[10,73] libdir(java.lang.String) in org.apache.hadoop.gateway.shell.job.Sqoop.Request is defined in an inaccessible class or interface
[ERROR] /home/andrei/knox-sqoop/src/main/java/test/knox/sqoop/TestSqoop.java:[10,92] now() in org.apache.hadoop.gateway.shell.AbstractRequest is defined in an inaccessible class or interface
[INFO] 3 errors