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