How would you act if you've just rejected a girl you've been friends with for 10+ years?

Let's say (hypothetically... lol), that a girl pulled you aside privately to have the conversation to see if there was interest to hang out one on one to see if there was feelings there beyond friendship because she felt there might be and didn't want to misread things.

As a guy wanting clarity, you asked, "do you actually like me or something?", because you were confused and weren't sure where this was coming from since you two never hung out one-on-one). After she clarified wanting to know if it was more than friends and to see if the feeling was mutual, your reply to her was "I'm afraid I don't feel the same way."

She took it gracefully, said "no worries, it doesn't have to be awkward between us" etc. and you both returned to the group setting having normal conversation, although later that evening, it did become a bit awkward when passing by each other.

How do you treat this friendship from here? Keep in mind there might only be 1 in person group hangout/month from here on out, and most interaction would be online. Would you still consistently like her online posts/view stories like before? Would you back away? What would you do?
How would you act if you've just rejected a girl you've been friends with for 10+ years?
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