How to perform 'Parallel Trim Whitespace' in Groovy.
// Task: Parallel Trim Whitespace
// Language: Groovy
def parallel_trim_whitespace() {
// Implementation for Parallel Trim Whitespace
def result = ...; // Initialize variable
// TODO: Implement core logic here
// Step 1: Prepare data
// Step 2: Process Parallel Trim Whitespace
println("Done");
}