It's tricky for me to guess your intention. On just one hand you're declaring that both a and b are general public (no top underscore inside their names) so I must theoretically be allowed to access/mutate (get/set) equally. But Then you certainly specify an express mutator only for a, which https://conscientparqgurugram.in/conscient-parq-sector-80-gurgaon-a-refined-lifestyle-amidst-urban-grandeur/