public void setModelArn(String modelArn) {
        this.modelArn = modelArn;
    }
<p>
The model's ARN.
</p>

@param modelArn
       The model's ARN.
aws-java-sdk-bedrockagent/src/main/java/com/amazonaws/services/bedrockagent/model/BedrockFoundationModelConfiguration.java