@atlaskit/editor-common/dist/es2019/performance-ssr-measures/RenderMarker.js

A package that contains common classes and components for editor and renderer

import { useLayoutEffect } from 'react';
export function RenderMarker({
  onRender
}) {
  useLayoutEffect(() => {
    if (onRender) {
      onRender();
    }
  });
  return null;
}