Begining of key binding

lib/buffer.js

@@ -181,6 +181,13 @@ function Buffer (client, buffId, path) {
     this.remove = function (off, length, callback) {
         client.callFunction("remove", buffId, Types.position(off), length, callback);
     };
+
+    var keysCallback = {};
+
+    this.registerKey = function (key, callback) {
+        client.specialKeys(key);
+        Object.defineProperty(keysCallback, key, { value: callback, configurable: true});
+    };
 }
 
 util.inherits(Buffer, EventEmitter);