public String getFamily() {
        return this.family;
    }
<p>
You must specify a <code>family</code> for a task definition. You can use it track multiple versions of the same
task definition. The <code>family</code> is used as a name for your task definition. Up to 255 letters (uppercase
and lowercase), numbers, underscores, and hyphens are allowed.
</p>

@return You must specify a <code>family</code> for a task definition. You can use it track multiple versions of
        the same task definition. The <code>family</code> is used as a name for your task definition. Up to 255
        letters (uppercase and lowercase), numbers, underscores, and hyphens are allowed.
aws-java-sdk-ecs/src/main/java/com/amazonaws/services/ecs/model/RegisterTaskDefinitionRequest.java