How to perform 'Async Trim Whitespace' in Perl.
# Task: Async Trim Whitespace
# Language: Perl
sub async_trim_whitespace() {
# Implementation for Async Trim Whitespace
my $ result = ...; # Initialize variable
# TODO: Implement core logic here
# Step 1: Prepare data
# Step 2: Process Async Trim Whitespace
print("Done");
}