import { TypeDaprPubSubCallback } from "../types/DaprPubSubCallback.type";
import { PubSubSubscriptionOptionsType } from "../types/pubsub/PubSubSubscriptionOptions.type";
import { PubSubSubscriptionTopicType } from "../types/pubsub/PubSubSubscriptionTopic.type";
import { PubSubSubscriptionsType } from "../types/pubsub/PubSubSubscriptions.type";
/**
 * SubscriptionManager manages server-side storage and lookup of subscriptions.
 */
export declare class SubscriptionManager {
    private readonly subscriptions;
    /**
     * Check if pubsub is registered.
     * @param pubsub name of the pubsub component
     * @returns true if the pubsub is registered
     */
    isPubSubRegistered(pubsub: string): boolean;
    /**
     * Check if pubsub and topic are registered.
     * @param pubsub name of the pubsub component
     * @param topic name of the topic
     * @returns true if the pubsub and topic are registered
     */
    isTopicRegistered(pubsub: string, topic: string): boolean;
    /**
     * Get the subscription for a given pubsub and topic.
     * @param pubsub name of the pubsub component
     * @param topic name of the topic
     * @returns the subscription for the given pubsub and topic
     */
    getSubscription(pubsub: string, topic: string): PubSubSubscriptionTopicType;
    /**
     * Get all registered pubsubs.
     * @returns all registered pubsubs
     */
    getRegisteredPubSubs(): string[];
    /**
     * Get all registered topics for a given pubsub.
     * @param pubsub name of the pubsub component
     * @returns all registered topics for the given pubsub
     */
    getRegisteredTopics(pubsub: string): string[];
    /**
     * Register a new subscription for a given pubsub and topic.
     * @param pubsub name of the pubsub component
     * @param topic name of the topic
     */
    registerSubscription(pubsub: string, topic: string, options?: PubSubSubscriptionOptionsType): void;
    /**
     * Add an event handler to an existing subscription.
     * @param pubsub name of the pubsub component
     * @param topic name of the topic
     * @param route name of the route
     * @param handler callback to be called when an event is received
     */
    addEventHandlerToSubscription(pubsub: string, topic: string, handler: TypeDaprPubSubCallback, route?: string): void;
    /**
     * Lookup the topic and route for a given pubsub, topic (with wildcard support) and path.
     * If not found, topic is empty.
     * @param pubsub name of the pubsub component
     * @param topic name of the topic
     * @param path path from the event
     * @returns the topic and route
     */
    lookupTopicWildcard(pubsub: string, topic: string, path: string): [string, string];
    /**
     * Get all subscriptions, used for testing.
     * @returns all subscriptions.
     */
    getSubscriptions(): PubSubSubscriptionsType;
    /**
     * Get the route part from the path.
     * @param pubsub name of the pubsub component
     * @param topic name of the topic
     * @param path path from the event
     * @returns the route
     */
    private getRouteFromPath;
    /**
     * Sanitize the HTTP path.
     * Replaces special characters with dashes.
     * @param path path to sanitize
     */
    private sanitizeHttpPath;
    /**
     * getMatchingTopic returns the topic that matches the provided topic.
     * If no topic matches, an empty string is returned.
     * Note that the pubsub might be subscribed to wildcard topics with identifiers like `#` or `+`.
     * @param pubsub name of the pubsub component
     * @param topic name of the topic
     */
    private getMatchingTopic;
    /**
     * Get the sanitized route with the default route if not specified.
     * @param route optional route
     * @param defaultRoute default route if not specified
     * @returns the sanitized route
     */
    private getSanitizedRouteWithDefault;
    /**
     * Generate the path for a given pubsub, topic and route.
     * @param pubsub name of the pubsub component
     * @param topic name of the topic
     * @param route optional route if explicitly specified in the subscription
     */
    private generatePubSubPath;
    /**
     * Generate routes for a given topic in a pubsub using the subscription options.
     * @param pubsub name of the pubsub component
     * @param topic name of the topic
     * @param options subscription options
     */
    private generateRoutes;
    /**
     * Generate the subscription object queried by the Dapr sidecar on startup.
     * This is used to inform the Dapr sidecar of the subscriptions and how to route events.
     *
     * Important: we internally translate the provided /example to -> /<pubsubname>-<topic>-example
     *            or if empty to /<pubsubname>-<topic>-default
     *            this is to ensure that HTTP Server endpoints are unique.
     * @param pubsub name of the pubsub component
     * @param topic name of the topic
     * @param options subscription options
     */
    private generateDaprSubscription;
}