function canConvertFromVBindSlotToVSlot(slotAttr) {
      if (!canConvertToVSlot(slotAttr.parent.parent, sourceCode, tokenStore)) {
        return false
      }

      if (!slotAttr.value) {
        return true
      }

      if (!slotAttr.value.expression) {
        // parse error or empty expression
        return false
      }

      return slotAttr.value.expression.type === 'Identifier'
    }
Checks whether the given node can convert to the `v-slot`.
@param {VDirective} slotAttr node of `v-bind:slot`
@returns {boolean} `true` if the given node can convert to the `v-slot`