public Builder mergeFrom(com.google.type.TimeOfDay other) { if (other == com.google.type.TimeOfDay.getDefaultInstance()) return this; if (other.getHours() != 0) { setHours(other.getHours()); } if (other.getMinutes() != 0) { setMinutes(other.getMinutes()); } if (other.getSeconds() != 0) { setSeconds(other.getSeconds()); } if (other.getNanos() != 0) { setNanos(other.getNanos()); } onChanged(); return this; }