private void SetPlural() => this._curGender = GermanTextProcessor.WordGenderEnum.Plural;
 private void SetNeuter() => this._curGender = GermanTextProcessor.WordGenderEnum.Neuter;
 private void SetMasculine() => this._curGender = GermanTextProcessor.WordGenderEnum.Masculine;
 private void SetFeminine() => this._curGender = GermanTextProcessor.WordGenderEnum.Feminine;