@Override
	protected String toDSL() {
		return String.format("mail --usePolling=false --port=%d --protocol=%s --folder=%s --username=%s --password=%s",
				port, protocol,
				folder, ADMIN_USER, ADMIN_PASSWORD);
	}
Represents the imap source module, that does not use polling.

@author Eric Bottard
spring-xd-test-fixtures/src/main/java/org/springframework/xd/test/fixtures/NonPollingImapSource.java