module.exports = { /** * Converts a string to a base 64 string * @param str */ encodeBase64: function(str) { }, /** * Lookup the mime-type of a filename * @param filename */ mimeLookup: function (filename) { }, /** * Look up the charset of a mime type * @param mime */ charsetLookup: function (mime) { }, /** * Gets a source map generator */ getSourceMapGenerator: function getSourceMapGenerator() { } };