code: function resolveForwardRef(type) {
      if (typeof type === 'function' && type.hasOwnProperty('__forward_ref__') &&
          type.__forward_ref__ === forwardRef) {
          return type();
      }
      else {
          return type;
      }
  }
docs: Lazily retrieves the reference value from a forwardRef.
  
  Acts as the identity function when given a non-forward-ref value.
  
  @usageNotes
  ### Example
  
  {@example core/di/ts/forward_ref/forward_ref_spec.ts region='resolve_forward_ref'}
  
  @see `forwardRef`
  @experimental