Trung Bộ Kinh (Majjhima Nikaya) 3:132
SUJATOEvaṁ bhāvitā kho, bhikkhave, cattāro satipaṭṭhānā evaṁ bahulīkatā satta sambojjhaṅge paripūrenti.
That’s how the four kinds of mindfulness meditation, when developed and cultivated, fulfill the seven awakening factors.