Runtime.getProperties for objects with accessor
title property with getter and setter:
{
    configurable : true
    enumerable : true
    get : {
        className : Function
        description : function () { [native code] }
        objectId : <objectId>
        type : function
    }
    isOwn : true
    name : title
    set : {
        className : Function
        description : function () { [native code] }
        objectId : <objectId>
        type : function
    }
}
title property with getter only:
{
    configurable : true
    enumerable : true
    get : {
        className : Function
        description : function () { [native code] }
        objectId : <objectId>
        type : function
    }
    isOwn : true
    name : title
}