return {
    "addStateListener": (callback) => {
        states.addStateListener("search", callback);
    },
    "removeStateListener": (callback) => {
        states.removeStateListener("search", callback);
    },
    "getState": () => {
        return states.search;
    },
    "undoState": () => {
        states.undoState("search");
    },
    "changeEventListener": (newEvent) => {
        changeEvent.call(searchInput, newEvent);
    }
};