public void setPollingServicePrincipals(java.util.Collection<String> pollingServicePrincipals) {
        if (pollingServicePrincipals == null) {
            this.pollingServicePrincipals = null;
            return;
        }

        this.pollingServicePrincipals = new java.util.ArrayList<String>(pollingServicePrincipals);
    }
<p>
The service Principals in which the job worker is configured and might poll for jobs as part of the action
execution.
</p>

@param pollingServicePrincipals
       The service Principals in which the job worker is configured and might poll for jobs as part of the action
       execution.
aws-java-sdk-codepipeline/src/main/java/com/amazonaws/services/codepipeline/model/JobWorkerExecutorConfiguration.java