code: function Change(model, offset, text, previousText, type) {
  		this.model = model;
  		this.offset = offset;
  		this.text = text;
  		this.previousText = previousText;
  		this.type = type;
  	}
docs: $NON-NLS-0$ 
  Constructs a new Change object.
  
  @class
  @name orion.editor.Change
  @private