lubuntu.me/plugins/fruitful-shortcodes/includes/shortcodes/less/koala-config.json

// Less project settings, you can edit it and set custom settings.
{
	// The mappings of source directory and output directory
	"mappings": [
		 {	
		 	"src":  "path/to/source",
		 	"dest": "path/to/output"
		 }
	],

	// Add the ignore rules that Koala will not search them.
	// e.g. ["*.json", "*.txt", "test", "path/libs"]
	"ignores": ["*.css"],

	// Compile options of LESS.
	"options": {

		// Output style. Can be normal (default), compress.
		"outputStyle": "normal",

		// Outputs filename and line numbers, which will output the debug info within comments.
		"lineComments": false,

		// Outputs filename and line numbers, which will output the information within a fake media query which is compatible with the SASS format.
		"debugInfo": false,

		"strictMath": false,

		"strictUnits": false,

        // Create sourcemap files next to the generated CSS files
		"sourceMap": false,

        // auto add vendor prefixes to rules
        "autoprefix": false
	},

	// Other compile options.
	// e.g, ["--strict-imports", ... ,"--rootpath=URL"].
	// Run the command 'lessc -h' to see more options.
	"customOptions": [],

	// An array of filesystem paths or importers which should be searched for LESS templates imported with the @import directive.
	"includePaths": []
}