method Command.prototype.commandimport { Command } from "https://dotland.deno.dev/x/cliffy@v0.17.2/command/mod.ts"; command(name: string,desc?: string,override?: boolean,): thisAdd new sub-command. command(name: string,cmd?: Command,override?: boolean,): thisAdd new sub-command. Add new sub-command. Parametersname: stringCommand definition. E.g: my-command <input-file:string> <output-file:string> optionaldesc: stringThe description of the new child command. optionaloverride: booleanOverride existing child command. ReturnsthisAdd new sub-command. Parametersname: stringCommand definition. E.g: my-command <input-file:string> <output-file:string> optionalcmd: CommandThe new child command to register. optionaloverride: booleanOverride existing child command. Returnsthis