public void setStateMachineArn(String stateMachineArn) {
        this.stateMachineArn = stateMachineArn;
    }
<p>
The Amazon Resource Name (ARN) of the state machine.
</p>

@param stateMachineArn
       The Amazon Resource Name (ARN) of the state machine.
aws-java-sdk-stepfunctions/src/main/java/com/amazonaws/services/stepfunctions/model/ListStateMachineVersionsRequest.java