/// <reference types="node" />
export * from 'chek';
export declare function findPackage(filename?: any): any;
/**
 * Env Paths
 * : Gets paths for the environment including executed path.
 */
export declare function environment(): {
    CWD: string;
    EXEC: string;
    EXEC_PATH: string;
    NODE_PATH: string;
    NODE_ENV: string;
    HOME_PATH: string;
    PLATFORM: NodeJS.Platform;
    PKG: any;
};
/**
 * Clear Screen
 * : Clears the screen and resets cursor.
 * PLACEHOLDER future use.
 *
 * @param reset when not false cursor is reset.
 */
export declare function clearScreen(reset?: boolean): void;
/**
 * Is Flag
 * : Checks if value is a flag (ex: -s or --save).
 *
 * @param val the value to inspect.
 */
export declare function isFlag(val: string): boolean;
/**
 * Is Spread
 * : Tests if command token is spread type.
 *
 * @param val the value to test.
 */
export declare function isVariadic(val: string): boolean;
/**
 * Is Dot Notation
 * : Tests if value is dot notated string.
 *
 * @param val the value to be inspected.
 */
export declare function isDotNotation(val: any): boolean;
/**
 * Strip Param
 * : Strips -f, --flag <param> [param] resulting in
 * f, flag or param.
 *
 * @param val the value to be stripped.
 */
export declare function stripToken(val: string, exp?: RegExp): string;
/**
 * Merge Args
 * : Merges arguments into single array of values.
 *
 * @param val the single value or array of values.
 * @param args rest param of args.
 */
export declare function mergeArgs(val: any | any[], ...args: any[]): any[];
/**
 * Split To List
 * : Takes a list 'small, medium, large' and
 * converts it to expression like
 * /^(small|medium|large)$/i
 *
 * @param val the value to convert.
 */
export declare function splitToList(val: string): RegExp;
/**
 * To Option Tokens
 * : Formats option string to support Pargv syntax.
 *
 * @example
 *
 * coverts: 'command'
 * to: '[command]'
 *
 * converts: '-n, --name <value>'
 * to: '-n.--name <value>'
 *
 * @param token the string to insepct.
 */
export declare function toOptionToken(token: string): string;
/**
 * Remove Duplicates
 * : Removes any duplicate elements in an array.
 *
 * @param args the array of elements to be inspected.
 */
export declare function removeDuplicates(...args: any[]): any[];
/**
 * Concat To
 * : Helper method to ensure array in object property then concat values.
 *
 * @param obj the object collection containing keys.
 * @param key the key to concat values to.
 * @param val the array of values to concat.
 */
export declare function concatTo(obj: any, key: string, val: any[]): any;
/**
 * Levenshtein
 * : Computes the edit distance between two strings.
 *
 * Based on gist by Andrei Mackenzie
 * @see https://gist.github.com/andrei-m/982927
 *
 * @param source the source string.
 * @param compare the string to be compared.
 */
export declare function levenshtein(source: any, compare: any): any;
/**
 * Set Blocking
 * : Sets handle blocking for stdout, stderr.
 *
 * TypeScript version of:
 * @see https://github.com/yargs/set-blocking/blob/master/index.js
 *
 * @param blocking toggles blocking.
 */
export declare function setBlocking(blocking?: boolean): void;
/**
 * Is Executable
 * : Tests if path is executable.
 *
 * @param path the path to the executable.
 */
export declare function isExecutable(path: string): boolean;
/**
 * Set Enumerable
 * : Simple helper for defining enumerable prop states.
 *
 * @param ctx the context to define properties on.
 * @param props the properties to set enumerable for.
 * @param state the state true or false.
 */
export declare function setEnumerable(ctx: object, props: string | string[], state?: boolean): void;