method Command.prototype.actionimport { Command } from "https://dotland.deno.dev/x/lume@v2.2.1/deps/cliffy.ts"; action(fn: ActionHandler<TCommandOptions, TCommandArguments, TCommandGlobals, TParentCommandGlobals, TCommandTypes, TCommandGlobalTypes, TParentCommandTypes, TParentCommand>): thisSet command callback method. Parametersfn: ActionHandler<TCommandOptions, TCommandArguments, TCommandGlobals, TParentCommandGlobals, TCommandTypes, TCommandGlobalTypes, TParentCommandTypes, TParentCommand>Command action handler. Returnsthis