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						- /// <reference types="node" />
 - 
 - declare namespace pathKey {
 - 	interface Options {
 - 		/**
 - 		Use a custom environment variables object. Default: [`process.env`](https://nodejs.org/api/process.html#process_process_env).
 - 		*/
 - 		readonly env?: {[key: string]: string | undefined};
 - 
 - 		/**
 - 		Get the PATH key for a specific platform. Default: [`process.platform`](https://nodejs.org/api/process.html#process_process_platform).
 - 		*/
 - 		readonly platform?: NodeJS.Platform;
 - 	}
 - }
 - 
 - declare const pathKey: {
 - 	/**
 - 	Get the [PATH](https://en.wikipedia.org/wiki/PATH_(variable)) environment variable key cross-platform.
 - 
 - 	@example
 - 	```
 - 	import pathKey = require('path-key');
 - 
 - 	const key = pathKey();
 - 	//=> 'PATH'
 - 
 - 	const PATH = process.env[key];
 - 	//=> '/usr/local/bin:/usr/bin:/bin'
 - 	```
 - 	*/
 - 	(options?: pathKey.Options): string;
 - 
 - 	// TODO: Remove this for the next major release, refactor the whole definition to:
 - 	// declare function pathKey(options?: pathKey.Options): string;
 - 	// export = pathKey;
 - 	default: typeof pathKey;
 - };
 - 
 - export = pathKey;
 
 
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