How to add audio buffer with version 3.0.13

[monupurohit]

audio.setBufferSize(2048);

line 102:11: error: 'class Audio' has no member named 'setBufferSize'; did you mean 'inBufferSize'?
102 | audio.setBufferSize(2048);
| ^~~~~~~~~~~~~
| inBufferSize

exit status 1

Compilation error: 'class Audio' has no member named 'setBufferSize'; did you mean 'inBufferSize'?

[monupurohit]

issue with context to this:
#810

[schreibfaul1]

setBufsize() is from the old days and is no longer used, I have deleted it