public String getEnvironmentArn() {
        return this.environmentArn;
    }
<p>
The Amazon Resource Name (ARN) of a particular runtime environment.
</p>

@return The Amazon Resource Name (ARN) of a particular runtime environment.
aws-java-sdk-mainframemodernization/src/main/java/com/amazonaws/services/mainframemodernization/model/EnvironmentSummary.java