import { HubConnection, IHttpConnectionOptions, IHubProtocol } from "@microsoft/signalr";
import { Dictionary } from "./utils/dictionary";
export declare const errorCodes: {
    retryLimitsReached: string;
};
export declare enum DesiredConnectionStatus {
    disconnected = "disconnected",
    connected = "connected"
}
export declare enum ConnectionStatus {
    disconnected = "disconnected",
    connecting = "connecting",
    connected = "connected"
}
export declare enum InternalConnectionStatus {
    disconnected = "disconnected",
    ready = "ready",
    connected = "connected"
}
export interface ConnectionState {
    status: ConnectionStatus;
    reason?: string;
    data?: unknown;
}
export interface HubConnectionOptions {
    key: string;
    endpointUri: string;
    options?: ConnectionOptions;
    defaultData?: () => Dictionary<string>;
    /** @internal */
    getData?: () => Dictionary<string>;
    protocol?: IHubProtocol;
    /**
     * Configures the SignalR Hub connection after it has been built (raw) in order to access/configure
     * `serverTimeoutInMilliseconds`, `keepAliveIntervalInMilliseconds` etc...
     */
    configureSignalRHubConnection?: (hubConnection: HubConnection) => void;
}
export interface ConnectionOptions extends IHttpConnectionOptions {
    retry?: ReconnectionStrategyOptions;
}
export interface ReconnectionStrategyOptions {
    maximumAttempts?: number;
    /**
     * Resets maximum attempts when exhausted after the given duration.
     * The duration is restarted for each connection attempt unless a Date is provided.
     * Supports number in MS or date. Defaults to 15 minutes.
     */
    autoReconnectRecoverInterval?: number | Date;
    customStrategy?: (retryOptions: ReconnectionStrategyOptions, retryCount: number) => number;
    randomBackOffStrategy?: RandomStrategyOptions;
    randomStrategy?: RandomStrategyOptions;
    backOffStrategy?: BackOffStrategyOptions;
}
export interface RandomStrategyOptions {
    min: number;
    max: number;
    intervalMs: number;
}
export interface BackOffStrategyOptions {
    delayRetriesMs: number;
    maxDelayRetriesMs: number;
}