public boolean equals(final Object o) {
      if (this == o) return true;
      if (o == null || getClass() != o.getClass()) return false;

      final MnemonicKey that = (MnemonicKey)o;

      if (myMnemonicChar != that.myMnemonicChar) return false;
      if (!myExclusiveContainerStack.equals(that.myExclusiveContainerStack)) return false;

      return true;
    }
public boolean equals(final Object o)