@CanIgnoreReturnValue
  @Deprecated
  @Override
  public boolean putAll(K key, Iterable<? extends V> values) {
    throw new UnsupportedOperationException();
  }
@CanIgnoreReturnValue
  @Deprecated
  @Override
  public boolean putAll(K key, Iterable<? extends V> values) {
    throw new UnsupportedOperationException();
  }
@ CanIgnoreReturnValue @ Deprecated @ Override public boolean putAll ( K key , Iterable < ? extends V > values ) { throw new UnsupportedOperationException ( ) ; }
Guaranteed to throw an exception and leave the multimap unmodified.

@throws UnsupportedOperationException always
@deprecated Unsupported operation.
Guaranteed to throw an exception and leave the multimap unmodified .