Method appendChild

packages/core/src/render3/interfaces/renderer.ts:45–45

(parent: RElement, newChild: RNode)

   */
  destroyNode?: ((node: RNode) => void) | null;
  appendChild(parent: RElement, newChild: RNode): void;
  insertBefore(parent: RNode, newChild: RNode, refChild: RNode | null, isMove?: boolean): void;
  // TODO(thePunderWoman): remove the requireSynchronousElementRemoval flag once the animations package has been deleted after v23.
  removeChild(