import { type ErrorHandler } from "https://deno.land/x/cliffy@v1.0.0-rc.1/command/mod.ts";
definition: (error: Error | ValidationError, cmd: Command) => unknown
x/cliffy/command/mod.ts>ErrorHandler
import { type ErrorHandler } from "https://deno.land/x/cliffy@v1.0.0-rc.1/command/mod.ts";