@Override
    public java.util.concurrent.Future<SendSerialConsoleSSHPublicKeyResult> sendSerialConsoleSSHPublicKeyAsync(SendSerialConsoleSSHPublicKeyRequest request) {

        return sendSerialConsoleSSHPublicKeyAsync(request, null);
    }
Returns the executor service used by this client to execute async requests.

@return The executor service used by this client to execute async requests.
aws-java-sdk-ec2instanceconnect/src/main/java/com/amazonaws/services/ec2instanceconnect/AWSEC2InstanceConnectAsyncClient.java