import { ChacaUtils } from "../../core/utils";
import { WordModule } from "../word";
import { DatatypeModule } from "../datatype";
export interface CronProps {
    includeYear?: boolean;
    includeNonStandard?: boolean;
}
export declare type FilenameProps = {
    ext?: string;
};
export declare class SystemModule {
    private readonly utils;
    private readonly datatypeModule;
    private readonly wordModule;
    constructor(utils: ChacaUtils, datatypeModule: DatatypeModule, wordModule: WordModule);
    readonly constants: {
        fileExtensions: {
            text: string[];
            code: string[];
            config: string[];
            docs: string[];
            multimedia: string[];
            minify: string[];
            executable: string[];
            database: string[];
            office: string[];
            videogame: string[];
            os: string[];
        };
        mimeTypes: string[];
    };
    /**
     * Returns a file name
     * @param args.ext File extension
     * @example
     * modules.system.filename() // 'academy.png'
     * modules.system.filename({ ext: 'gif' }) // 'academy_button_school.gif'
     * @returns string
     */
    filename({ ext: iext }?: FilenameProps): string;
    /**
     * Returns a mime type
     * @example modules.system.mimeType() // 'video/mpeg'
     * @returns string
     */
    mimeType(): string;
    /**
     * Return a file extension
     * @example modules.system.fileExt() // 'mp4'
     * @returns string
     */
    fileExt(): string;
    /**
     * Returns a directory path
     *
     * @example modules.system.directoryPath() // 'user/files/videos'
     *
     * @returns string
     */
    directoryPath(): string;
    /**
     * Returns a string with a system file path
     * @example
     * modules.system.filePath() // 'user/files/videos/academy.mp4'
     * @returns string
     */
    filePath(): string;
    /**
     * Returns a [semantic version](https://semver.org).
     *
     * @example
     * modules.system.semver() // '1.1.2'
     */
    semver(): string;
    /**
     * Returns a random cron expression.
     *
     * @param args.includeYear Whether to include a year in the generated expression. Default `false`.
     * @param args.includeNonStandard Whether to include a `@yearly`, `@monthly`, `@daily`, etc text labels in the generated expression. Default`false`.
     *
     * @example
     * modules.system.cron() // '45 23 * * 6'
     * modules.system.cron({ includeYear: true }) // '45 23 * * 6 2067'
     * modules.system.cron({ includeYear: false }) // '45 23 * * 6'
     * modules.system.cron({ includeNonStandard: false }) // '45 23 * * 6'
     * modules.system.cron({ includeNonStandard: true }) // '@yearly'
     */
    cron({ includeYear, includeNonStandard, }?: CronProps): string;
}