Playground option in ApolloServer is gone!

I was able to run the playground using the param playground: true however, I am not able to do so with the current package version: "apollo-server": "^3.3.0"

const server = new ApolloServer({
  introspection: true,
  playground: true

@Hazem_Alabiad see: Migrating to Apollo Server 3 - Apollo Server - Apollo GraphQL Docs