function extractFromToRef(node) {
    const nameNode = node.arguments[1]
    const refName =
      nameNode &&
      (nameNode.type === 'Literal' || nameNode.type === 'TemplateLiteral')
        ? utils.getStringLiteralValue(nameNode)
        : null
    if (!refName) {
      // unknown name
      return ANY
    }
    return extractFromName(refName, nameNode, () =>
      extractFromExpression(node, false).getNest('value')
    )
  }
Extract the property references from toRef call.
@param {CallExpression} node
@returns {IPropertyReferences}