public void addString(String fileName, String fileClass, Map metadata) { indriJNI.IndexEnvironment_addString(swigCPtr, fileName, fileClass, metadata);
public int addString(String fileName, String fileClass, Map metadata) { return indriJNI.IndexEnvironment_addString(swigCPtr, fileName, fileClass, metadata);
  public void addString(String fileName, String fileClass, Map metadata) {    indriJNI.IndexEnvironment_addString(swigCPtr, fileName, fileClass, metadata);  }