Return a copy of minuend without any elements found in subtrahend. @param minuend The array we want elements from @param subtrahend The array whose el

Adds a router using an instance of a class. @param router A router instance.

Invoke a command handler with the given arguments. @param player The player invoking the command or null for the server console. @param rawMessag

Checks if a file exists on the file system. @param path The path to the file. @return True if the file exists, false otherwise.

Gets the language code from a given locale. @param locale A locale. @return A string in the format of 'XX-XX'.

Base64 encodes a given byte array. @param toEncode An array of bytes. @return A base64 encoded string.

Generates an authentication request from a {@link Response} object. @param request The Express request. @param response the Express response. @return