export declare const STATE_CHANGE_TYPE: {
    readonly select: "select";
    readonly remove: "remove";
    readonly clear: "clear";
    readonly inputChange: "inputChange";
    readonly selectAll: "selectAll";
};
export declare const UNGROUPED_ID = "__ungrouped";
export declare const LOADING_KEY = "__loading";
export declare const CLEARABLE_KEY = "clearable";