import { SlangIntent } from "../../common/slangIntent";
type NluStore = {
    currentIntent: null | SlangIntent;
    nluState: string;
    nluCache: boolean;
    implicitUtterance: string | null;
    nluContextStack: {
        intent_string?: string;
        intent_status?: string;
        resolved_entities?: string[];
        resolved_entity_objects?: {
            [key: string]: any;
        };
        entities_to_resolve?: string[];
    };
    nluStartTime: number;
    isUIDisambiguating: boolean;
};
declare function nluReducer(state: NluStore | undefined, action: any): NluStore;
export { nluReducer };