@Override
  public void cloneTableSchema(TableName tableName, TableName newTableName, boolean preserveSplits)
    throws IOException {
    get(admin.cloneTableSchema(tableName, newTableName, preserveSplits));
  }
The {@link Admin} implementation which is based on an {@link AsyncAdmin}.
hbase-client/src/main/java/org/apache/hadoop/hbase/client/AdminOverAsyncAdmin.java