Mary Noel ağacını süslemek için annesine yardım etti.
- Mary helped her mother decorate the Christmas tree.
Tom ve Mary balonlarla spor salonunu dekore ettiler.
- Tom and Mary decorated the gym with balloons.
Noel ağacını ışıklarla dekore ettik.
- We decorated the Christmas tree with lights.
It makes sure that the field name argument is not empty, and that the field specified there is an actual existing field in the class which declares the method decorated with this attribute.