from pathlib import Path
s=Path('Client/Assets/Scripts/Sound/SoundService.cs').read_text(encoding='utf-8-sig')
start=s.index('public void Release()', s.index('class SoundService')); a=s.index('{',start); n=1; end=a+1
while n:
    n+=(s[end]=='{')-(s[end]=='}'); end+=1
field='private int initializationVersion;'
assert field in s
Path('CodexOutput/upserver/SoundExitTests/Generated.cs').write_text('public partial class Subject {\n'+field+'\n'+s[start:end]+'\n}',encoding='utf-8')