When we decorate a function variable, class or anything with @deprecated. By doing that, VSCode will understand and show it with a strikethrough style:
/**
 * @deprecated This method is deprecated. Please `render` instead
 */
function oldRender(){}
function render(){}
const TestLib = {
  oldRender,
  render
};
TestLib.oldRender(); // <strikethrough and deprecate messageAnd it looks like this:
