code: func (t *ImportTracker) TrackFile(file *ast.File) {
  	for _, imp := range file.Imports {
  		path := strings.Trim(imp.Path.Value, `"`)
  		parts := strings.Split(path, "/")
  		if len(parts) > 0 {
  			name := parts[len(parts)-1]
  			t.Imported[path] = name
  		}
  	}
  }
docs: // TrackFile track all the imports used by the supplied file