import { Filters } from "../aggregate/Filters";
import { Database } from "../process/Types";
import { MessageView } from "../serialization/MessageView";
/**
 * Filter messages in a database with the specified filters.
 * Calls the given function for each message that passes the filters.
 *
 * @param fn function to call for each message
 * @param activeFilters select which filters to apply
 */
export declare const filterMessages: (fn: (msg: MessageView) => void, database: Database, filters: Filters, activeFilters?: {
    channels: boolean;
    authors: boolean;
    time: boolean;
}) => void;