import { flags, SfdxCommand } from '@salesforce/command';
import { AnyJson } from "@salesforce/ts-types";
export default class UN extends SfdxCommand {
    static description: string;
    static examples: string[];
    protected static flagsConfig: {
        inputfilename: flags.Discriminated<flags.String>;
        outputfilename: flags.Discriminated<flags.String>;
    };
    getUniqueStr(len: number): string;
    run(): Promise<AnyJson>;
}