text: export function a1(params) {
    return new Promise((resolve, reject) => {
      setTimeout(() => {
        console.log("a1 has been called")
        resolve()
      }, 3000)
    })
  }
  
  export function a2(params) {
    return new Promise((resolve, reject) => {
      setTimeout(() => {
        console.log("a2 has been called")
        resolve()
      }, 5000)
    })
  }
  