(function(exports) {

var preProcessor = function() {};

preProcessor.prototype = {
    process : function (src, extra) {
        var injected = '@color: red;\n';
        var ignored = extra.imports.contentsIgnoredChars;
        var fileInfo = extra.fileInfo;
        ignored[fileInfo.filename] = ignored[fileInfo.filename] || 0;
        ignored[fileInfo.filename] += injected.length;
        return injected + src;
    }
};

exports.install = function(less, pluginManager) {
    pluginManager.addPreProcessor( new preProcessor() );
};

})(typeof exports === 'undefined' ? this = {} : exports);