method Command.prototype.completeimport { Command } from "https://dotland.deno.dev/x/cliffy@v0.15.0/command/mod.ts"; complete(name: string,complete: ICompleteHandler,options?: ICompleteOptions,): thisRegister command specific custom type. Parametersname: stringcomplete: ICompleteHandleroptionaloptions: ICompleteOptionsReturnsthis