It Truly is hard for me to guess your intention. On one hand you're indicating that both of those a and b are community (no main underscore of their names) so I should really theoretically be allowed to access/mutate (get/set) equally. But You then specify an express mutator just for https://luxuryprojectsgurugram.in/luxury-projects-gurugram-the-future-of-upscale-living-in-indias-fastest-growing-city/