default: {
    addInstructorsToPracticum(
        instructors: { email: string }[],
        practicumId: number,
    ): Promise<void>;
    getInstructorsByPracticum(practicumId: number): Promise<RowDataPacket[]>;
    getPracticumsByInstructor(userId: number): Promise<RowDataPacket[]>;
    removeAllPracticumInstructors(practicumId: number): Promise<void>;
} = ...

Type declaration