import { IncomingSlackEvent, IncomingSlackInteractivity, SlackEventHandlerConfig, SlackInteractivityHandlerConfig } from './interfaces';
export declare class SlackHandler {
    private readonly _eventHandlers;
    private readonly _interactivityHandlers;
    constructor();
    addEventHandler(handler: SlackEventHandlerConfig): void;
    addInteractivityHandler(handler: SlackInteractivityHandlerConfig): void;
    handleSingleEvent(event: IncomingSlackEvent, handlerConfig: SlackEventHandlerConfig): Promise<unknown>;
    handleSingleInteractivity(payload: IncomingSlackInteractivity, handlerConfig: SlackInteractivityHandlerConfig): Promise<unknown>;
    handleEvent(event: IncomingSlackEvent): Promise<unknown[]>;
    handleInteractivity(payload: IncomingSlackInteractivity): Promise<unknown>;
}