code: CharSequence scopeDeclaration()
  	{
  		if (scopeVariables.length == 0)
  		{
  			return "";
  		}
  		StringBuilder scopeDeclaration = new StringBuilder();
  		scopeDeclaration.append(scopeVariables[0]);
  		for (int i = 1; i < scopeVariables.length; i++)
  		{
  			scopeDeclaration.append(", ");
  			scopeDeclaration.append(scopeVariables[i]);
  		}
  		return scopeDeclaration;
  	}
docs: Returns the JavaScript statement to declare the scope declaration (eg. the list of
  variables declared in the JavaScript function).