@Override
  public void deleteTableSnapshots(Pattern tableNamePattern, Pattern snapshotNamePattern)
    throws IOException {
    get(admin.deleteTableSnapshots(tableNamePattern, snapshotNamePattern));
  }
The {@link Admin} implementation which is based on an {@link AsyncAdmin}.
hbase-client/src/main/java/org/apache/hadoop/hbase/client/AdminOverAsyncAdmin.java