public ProjectMetadata withProjectArn(String projectArn) {
        setProjectArn(projectArn);
        return this;
    }
<p>
The Amazon Resource Name (ARN) of the project.
</p>

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