method Container.prototype.insertAfterRe-exportimport { Container } from "https://deno.land/x/postcss@8.4.16/lib/postcss.js"; insertAfter(oldNode: Child | number, newNode: | Child | ChildProps | string | Child[] | ChildProps[] | string[]): thisInsert new node after old node within the container. Insert new node after old node within the container. ParametersoldNode: Child | numberChild or child’s index. newNode: | Child | ChildProps | string | Child[] | ChildProps[] | string[]New node. ReturnsthisThis node for methods chain.