vue3 how to get components uid

[SFlyers]

vue2 can be use this._uid,but vue3?

[liulinboyi]

There is a SFC Example about how to get component uid.

[ShGKme]

In Options API the uid can be accessed from this.$.uid.

this.$ refers to InternalComponentInstance, which has uid.

In Composition API same works with getCurrentInstance().uid.

But uid is internal, not a public property.

Example.