This fixes issue 1971 and allows partial non-append imports of a backend:

boli

26.31.2007 f8ef0eed366445c5a341dbcc7882a7104c1cac1b

 opends/src/server/org/opends/server/config/ConfigConstants.java

@@ -4159,5 +4159,12 @@
   */
  public static final String ATTR_REBUILD_MAX_THREADS =
       NAME_PREFIX_TASK + "rebuild-max-threads";

  /**
   * The name of the attribute in an import task definition that specifies
   * whether the backend should be cleared before the import.
   */
  public static final String ATTR_IMPORT_CLEAR_BACKEND =
       NAME_PREFIX_TASK + "import-clear-backend";
}