public java.util.List<String> getFunctionResponseTypes() {
        if (functionResponseTypes == null) {
            functionResponseTypes = new com.amazonaws.internal.SdkInternalList<String>();
        }
        return functionResponseTypes;
    }
<p>
(Kinesis, DynamoDB Streams, and Amazon SQS) A list of current response type enums applied to the event source
mapping.
</p>

@return (Kinesis, DynamoDB Streams, and Amazon SQS) A list of current response type enums applied to the event
        source mapping.
@see FunctionResponseType
aws-java-sdk-lambda/src/main/java/com/amazonaws/services/lambda/model/UpdateEventSourceMappingRequest.java