method YargsInstance.prototype.showCompletionScriptimport { YargsInstance } from "https://dotland.deno.dev/x/yargs@v17.7.1-deno/build/lib/yargs-factory.d.ts"; showCompletionScript($0?: string, cmd?: string): YargsInstanceParametersoptional$0: stringoptionalcmd: stringReturnsYargsInstance