/**
 * This is the primary implementation class in this library.
 * Chris Joakim, 2025
 */
import { FileUtil } from "./FileUtil";
export declare class EnvScanner {
    static CONFIG_FILE: string;
    static VERSION: string;
    fu: FileUtil;
    envVarPatterns: Array<string>;
    excludeFilePatterns: Array<string>;
    excludeFileSuffixes: Array<string>;
    allFilenames: Array<string>;
    verbose: boolean;
    tmpFileOutputs: boolean;
    constructor();
    /**
     * Return the version of this npm package.
     */
    static version(): string;
    /**
     * Write a default '.evsecrets.json' file in the current directory.
     */
    init(): boolean;
    /**
     * Return a timestamp string, for your local timezone, in 'YYYY-MM-DD HH:MM:SS' format.
     * For example: '2025-04-15 13:04:39'
     */
    getFormattedTimestamp(): string;
    /**
     * Return an array of the secret environment variable names per your defined patterns.
     * This includes the environment variable names in the .env file, if present.
     */
    secretEnvVars(): Array<string>;
    /**
     * Display a list of your secrets defined in your specified environment variables.
     */
    secrets(): void;
    /**
     * Scan your codebase for the secrets defined in your environment variables,
     * per the configuration in .evsecrets.json or the default configuration.
     * Display the matches and line numbers in the terminal output.
     */
    scan(codebaseRootDir?: string, silent?: boolean): Array<string>;
    /**
     * Print the filteredFilenamesList on the console/terminal.
     */
    files(): void;
    /**
     * Return a filtered list of files to scan for secrets.
     */
    filteredFilenamesList(codebaseRootDir?: string): Array<string>;
    /**
     * Recursively walk the filesystem from the given codebaseRootDir.
     * Return an unfiltered list of all of the files found; not directories.
     */
    walkFs(codebaseRootDir?: string): Array<string>;
    /**
     * Return a boolean indicating if the given filename should be included
     * in the scanning process, based on the filename patterns and filename
     * suffixes in the configuration.
     */
    includeThisFile(filename: string): boolean;
    /**
     * Return the name of the platform where this node.js process is running.
     * Possible values are 'aix', 'darwin', 'freebsd', 'linux', 'openbsd', 'sunos', and 'win32'.
     */
    platform(): string;
    /**
     * Return true if the current platform is Windows, else return false.
     */
    isWindows(): boolean;
    /**
     * Return true if the current platform is Apple macOS, else return false.
     */
    isMac(): boolean;
    /**
     * Return true if the current platform is Linux, else return false.
     */
    isLinux(): boolean;
    /**
     * Return true if given command line arg (i.e. --verbose) is present, else return false.
     */
    cliArgPresent(flag: string): boolean;
    defaultEnvVarPatterns(): string[];
    defaultExcludeFilePatterns(): string[];
    defaultExcludeFileSuffixes(): string[];
    /**
     * This method returns the default configuration object.
     * It is used by default if you don't have a ".evsecrets.json" file
     * in the current directory.
     *
     * This object is also written to your filesystem when the 'init'
     * function is executed.
     */
    defaultConfig(): {
        description: string;
        env_var_patterns: string[];
        exclude_file_patterns: string[];
        exclude_file_suffixes: string[];
    };
}