method Command.prototype.getCommandimport { Command } from "https://dotland.deno.dev/x/cliffy@v0.15.0/command/mod.ts"; getCommand<O = any>(name: string, hidden?: boolean): Command<O> | undefinedGet sub-command with given name. Type ParametersoptionalO = anyParametersname: stringName of the sub-command. optionalhidden: booleanInclude hidden commands. ReturnsCommand<O> | undefined