public UpdateEnvironmentResult withEnvironmentId(String environmentId) {
        setEnvironmentId(environmentId);
        return this;
    }
<p>
The unique identifier of the runtime environment that was updated.
</p>

@param environmentId
       The unique identifier of the runtime environment that was updated.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-mainframemodernization/src/main/java/com/amazonaws/services/mainframemodernization/model/UpdateEnvironmentResult.java