How to perform 'Async Trim Whitespace' in SAS.
* Task: Async Trim Whitespace
* Language: SAS
%macro async_trim_whitespace()
* Implementation for Async Trim Whitespace
%let result = ...; * Initialize variable
* TODO: Implement core logic here
* Step 1: Prepare data
* Step 2: Process Async Trim Whitespace
%put("Done");
%mend;