method Socket.prototype.setMulticastLoopbackimport { Socket } from "https://dotland.deno.dev/std@0.177.0/node/dgram.ts"; setMulticastLoopback(arg: boolean): argSets or clears the IP_MULTICAST_LOOP socket option. When set to true, multicast packets will also be received on the local interface. This method throws EBADF if called on an unbound socket. Parametersarg: booleanReturnsarg