import { Concept, Connection } from "../app";
/**
 * This class is a buffer class that is used to write to the indexdb. We cannot willy nilly write to indexdb because
 * it will cause the system to crash. We must also in future only allow certain types of concepts and connections
 * to be stored because a large indexdb is more problem than a blessing.
 */
export declare class IndexDbUpdate {
    static concepts: Concept[];
    static connections: Connection[];
    /**
    * This is the maximum number of concepts or connections that needs to be in the buffer before flusing them
    * to index db
    */
    static INDEX_DB_BUFFER_MAX: number;
    /**
     * This means that indexdb is in use.
     */
    static IN_USE: boolean;
    /**
     * This is a delay that you introduce between two updates to indexdb.
     */
    static DELAY_BETWEEN_INDEX_UPDATES: number;
    /**
     * This is a varaible that defines how many times a concept or connection should be used before putting
     * it to indexdb.
     */
    static MIN_USE_FOR_INDEX_DB: number;
    /**
     * This is a variable that defines that any concept / connection with count greater than this should not
     * be added to indexdb because probably this already is in the indexdb.
     */
    static MAX_USE_FOR_INDEX_DB: number;
    /**
     * This function holds the buffer to the indexdb. Only things that pass through here can be stored to the indexdb
     * This function holds the concepts in the buffer and puts them in indexdb once the INDEX_DB_BUFFER_MAX is exceeded.
     * @param concept Concept that needs to be passed on to the indexdb
     *
     */
    static UpdateConceptIndexDb(concept: Concept): Promise<void>;
    /**
    * This function holds the buffer to the indexdb. Only things that pass through here can be stored to the indexdb
    * This function holds the connections in the buffer and puts them in indexdb once the INDEX_DB_BUFFER_MAX is exceeded.
    * @param connection Connection that needs to be passed on to the indexdb
    *
    */
    static UpdateConnectionIndexDb(connection: Connection): Promise<void>;
}