/// <reference types="node" />
import { EventEmitter } from 'events';
import Command, { GlobalCommand, CommandConfig, HelpCallback, CommandExample } from './Command';
import { OptionConfig } from './Option';
interface ParsedArgv {
    args: ReadonlyArray<string>;
    options: {
        [k: string]: any;
    };
}
declare class CAC extends EventEmitter {
    /** The program name to display in help and version message */
    name: string;
    commands: Command[];
    globalCommand: GlobalCommand;
    matchedCommand?: Command;
    matchedCommandName?: string;
    /**
     * Raw CLI arguments
     */
    rawArgs: string[];
    /**
     * Parsed CLI arguments
     */
    args: ParsedArgv['args'];
    /**
     * Parsed CLI options, camelCased
     */
    options: ParsedArgv['options'];
    private showHelpOnExit;
    private showVersionOnExit;
    /**
     * @param name The program name to display in help and version message
     */
    constructor(name?: string);
    /**
     * Add a global usage text.
     *
     * This is not used by sub-commands.
     */
    usage(text: string): this;
    /**
     * Add a sub-command
     */
    command(rawName: string, description?: string, config?: CommandConfig): Command;
    /**
     * Add a global CLI option.
     *
     * Which is also applied to sub-commands.
     */
    option(rawName: string, description: string, config?: OptionConfig): this;
    /**
     * Show help message when `-h, --help` flags appear.
     *
     */
    help(callback?: HelpCallback): this;
    /**
     * Show version number when `-v, --version` flags appear.
     *
     */
    version(version: string, customFlags?: string): this;
    /**
     * Add a global example.
     *
     * This example added here will not be used by sub-commands.
     */
    example(example: CommandExample): this;
    /**
     * Output the corresponding help message
     * When a sub-command is matched, output the help message for the command
     * Otherwise output the global one.
     *
     */
    outputHelp(): void;
    /**
     * Output the version number.
     *
     */
    outputVersion(): void;
    private setParsedInfo;
    /**
     * Parse argv
     */
    parse(argv?: string[], { 
    /** Whether to run the action for matched command */
    run }?: {
        run?: boolean | undefined;
    }): ParsedArgv;
    private mri;
    runMatchedCommand(): any;
}
export default CAC;