public GetInvestigationRequest withGraphArn(String graphArn) {
        setGraphArn(graphArn);
        return this;
    }
<p>
The Amazon Resource Name (ARN) of the behavior graph.
</p>

@param graphArn
       The Amazon Resource Name (ARN) of the behavior graph.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-detective/src/main/java/com/amazonaws/services/detective/model/GetInvestigationRequest.java