public java.lang.String getServiceAttachment() {
      java.lang.Object ref = serviceAttachment_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        serviceAttachment_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
<pre>
Output only. The name of the service attachment resource. Populated if
private service connect is enabled.
</pre>

<code>string service_attachment = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@return The serviceAttachment.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrivateEndpoints.java