public java.lang.String getFamilies(int index) {
      return families_.get(index);
    }
<pre>
Output only. Families of the node type.
For node types to be in the same cluster
they must share at least one element in the `families`.
</pre>

<code>repeated string families = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@param index The index of the element to return.
@return The families at the given index.
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/NodeType.java