public void setApiStages(java.util.Collection<ApiStage> apiStages) {
        if (apiStages == null) {
            this.apiStages = null;
            return;
        }

        this.apiStages = new java.util.ArrayList<ApiStage>(apiStages);
    }
<p>
The associated API stages of a usage plan.
</p>

@param apiStages
       The associated API stages of a usage plan.
aws-java-sdk-api-gateway/src/main/java/com/amazonaws/services/apigateway/model/UsagePlan.java