Method setServer

paper-api/src/main/java/org/bukkit/Bukkit.java:109–117

Attempts to set the Server singleton. This cannot be done if the Server is already set. @param server Server instance

(@NotNull Server server)

     * @param server Server instance
     */
    public static void setServer(@NotNull Server server) {
        if (Bukkit.server != null) {
            throw new UnsupportedOperationException("Cannot redefine singleton Server");
        }

        Bukkit.server = server;
        // Paper start - add git information
        server.getLogger().info(getVersionMessage());
    }
    /**
      * Gets message describing the version server is running.
      *