Variable focusRing`Const`

focusRing: {
    isVisible: boolean;
    conceal(): void;
    reveal(): void;
    subscribe(listener: () => void): () => void;
} = ...

A focus indication that should be shown around a focused element.

isVisible: boolean
true if a focus ring must be visible to a user.
conceal: function
- conceal(): void
  Conceals the focus ring from a user.
  
  Returns void
reveal: function
- reveal(): void
  Reveals the focus ring to a user.
  
  Returns void
subscribe: function
- subscribe(listener: () => void): () => void
  Subscribes a listener to focus ring visibility changes.
  Parameters
  - listener: () => void
    A listener to call when focus ring visibility has changed.
  Returns () => void
  A callback that unsubscribes a listener.

Variable focusRingConst