text: import '@babel/polyfill'
  import Model from './Model'
  import Tensor from './Tensor'
  import { webgl2 } from './WebGL2'
  import * as activations from './activations'
  import * as layers from './layers'
  import * as testUtils from './utils/testUtils'
  
  const GPU_SUPPORT = webgl2.isSupported
  
  export { Model, Tensor, GPU_SUPPORT, activations, layers, testUtils }
  
  const KerasJS = { Model, Tensor, GPU_SUPPORT, activations, layers, testUtils }
  export { KerasJS as default }
  