hunk.code_window:   styles: {|
       [string]: $Shape<CSSStyleDeclaration>,
     |},
     modifiersData: Object,
   |};
   export type Modifier = {|
  
hunk.labels: keep keep keep add keep keep keep
hunk.after_edit:   reset: boolean,
  
hunk.file_path: src/types.js
hunk.type: add
file: <!DOCTYPE html> <title>Basic Visual Test</title>
  
  <style>
    #scroll {
      overflow: scroll;
      width: 300px;
      height: 300px;
      background-color: grey;
    }
  
    #scroll::before {
      content: 'before';
      display: block;
      height: 300px;
      width: 1px;
    }
  
    #scroll::after {
      content: 'after';
      display: block;
      height: 300px;
      width: 1px;
    }
  
    #reference {
      width: 200px;
      height: 200px;
      background-color: red;
      box-shadow: inset 0 0 0 1px black;
    }
  
    #popper {
      position: absolute;
      top: 0;
      left: 0;
      width: 100px;
      height: 100px;
      background-color: rebeccapurple;
      box-shadow: inset 0 0 0 1px black;
    }
  </style>
  
  <div id="scroll">
    <div id="reference">Reference Box</div>
    <div id="popper">Popper Box</div>
  </div>
  
  <script type="module">
    import Popper from '../dist/es/index.js';
    const reference = document.querySelector('#reference');
    const popper = document.querySelector('#popper');
  
    window.instance = new Popper(reference, popper, {
      placement: 'right',
    });
  </script>
  