Method _skipPredicate

src/material/chips/chip-set.ts:264–267

* Determines if key manager should avoid putting a given chip action in the tab index. Skip * non-interactive and disabled actions since the user can't do anything with them.

(action: MatChipContent)

   * non-interactive and disabled actions since the user can't do anything with them.
   */
  protected _skipPredicate(action: MatChipContent): boolean {
    // `mat-chip-set` does not permit focusing disabled chips.
    return action.disabled;
  }

  /** Listens to changes in the chip set and syncs up the state of the individual chips. */
  private _trackChipSetChanges() {