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<?php
namespace App\Book\Export;
class StudentGrades {
private array $categories;
private array $grades;
public function addCategory(TuitionGradeCategory $category): self {
$this->categories[] = $category;
return $this;
}
/**
* @return TuitionGradeCategory[]
*/
public function getCategories(): array {
return $this->categories;
* @return TuitionGrade[]
public function getGrades(): array {
return $this->grades;
public function addGrade(TuitionGrade $grade): void {
$this->grades[] = $grade;