#regions are great. Syntax is the one issue (as you pointed out) but it could be better by adding a special comment code syntax and removing the closing. For ex

#regions are great. Syntax is the one issue (as you pointed out) but it could be better by adding a special comment code syntax and removing the closing. For example, a comment like //== wrappers for inherited functions where the equals work like in markdown headers, and the region continues until the end of scope or a new region.