move NodePrinter declarations to a header#82303

charles-zablit wants to merge 1 commit intoswiftlang:release/6.2swiftlang/swift:release/6.2from

charles-zablit:charles-zablit/demangling/refactor-nodeprintercharles-zablit/swift:charles-zablit/demangling/refactor-nodeprinterCopy head branch name to clipboard