public M2NonManagedApplicationStepInput withRuntime(String runtime) {
        setRuntime(runtime);
        return this;
    }
<p>
The runtime of the AWS Mainframe Modernization non-managed application step input.
</p>

@param runtime
       The runtime of the AWS Mainframe Modernization non-managed application step input.
@return Returns a reference to this object so that method calls can be chained together.
@see M2NonManagedRuntime
aws-java-sdk-apptest/src/main/java/com/amazonaws/services/apptest/model/M2NonManagedApplicationStepInput.java