import { Command } from '@oclif/core';
import type { Interfaces } from '@oclif/core';
import type * as SDK from 'balena-sdk';
type FlagsDef = Interfaces.InferredFlags<typeof EnvListCmd.flags>;
interface EnvironmentVariableInfo extends SDK.EnvironmentVariableBase {
    fleet?: string | null;
    deviceUUID?: string;
    serviceName?: string;
}
export default class EnvListCmd extends Command {
    static enableJsonFlag: boolean;
    static description: string;
    static examples: string[];
    static flags: {
        fleet: Interfaces.OptionFlag<string | undefined, Interfaces.CustomOptions>;
        config: Interfaces.BooleanFlag<boolean>;
        device: Interfaces.OptionFlag<string | undefined, Interfaces.CustomOptions>;
        service: Interfaces.OptionFlag<string | undefined, Interfaces.CustomOptions>;
    };
    run(): Promise<string | undefined>;
    protected printVariables(varArray: EnvironmentVariableInfo[], options: FlagsDef): Promise<string | undefined>;
}
export {};