import { HttpClient } from "./HttpClient";
import { MessageHeaders } from "./IHubProtocol";
import { ILogger, LogLevel } from "./ILogger";
import { HttpTransportType, ITransport } from "./ITransport";
/**
 * Options provided to the 'withUrl' method on {@link
 *
 * @microsoft/signalr.hubconnectionbuilder} to configure options for
 *
 *
 *
 *
 *     the
 * HTTP-based transports.
 */
export interface IHttpConnectionOptions {
    /**
     * {@link @microsoft/signalr.MessageHeaders} containing custom headers to be
     * sent with every HTTP request. Note, setting headers in the browser will
     * not work for WebSockets or the ServerSentEvents stream.
     */
    headers?: MessageHeaders;
    /** An {@link @microsoft/signalr.HttpClient} that will be used to make HTTP requests. */
    httpClient?: HttpClient;
    /**
     * An {@link @microsoft/signalr.HttpTransportType} value specifying the
     * transport to use for the connection.
     */
    transport?: HttpTransportType | ITransport;
    /**
     * Configures the logger used for logging.
     *
     * Provide an {@link @microsoft/signalr.ILogger} instance, and log messages
     * will be logged via that instance. Alternatively, provide a value from the
     * {@link @microsoft/signalr.LogLevel} enumeration and a default logger which
     * logs to the Console will be configured to log messages of the specified
     * level (or higher).
     */
    logger?: ILogger | LogLevel;
    /**
     * A function that provides an access token required for HTTP Bearer authentication.
     *
     * @returns {string | Promise<string>} A string containing the access token,
     *     or a Promise that resolves to a string containing the access token.
     */
    accessTokenFactory?(): string | Promise<string>;
    /**
     * A boolean indicating if message content should be logged.
     *
     * Message content can contain sensitive user data, so this is disabled by default.
     */
    logMessageContent?: boolean;
    /**
     * A boolean indicating if negotiation should be skipped.
     *
     * Negotiation can only be skipped when the {@link
     *
     * @microsoft/signalr.ihttpconnectionoptions.transport} property is set
     *
     *
     *
     *
     *     to
     * 'HttpTransportType.WebSockets'.
     */
    skipNegotiation?: boolean;
    /**
     * Default value is 'true'. This controls whether credentials such as cookies
     * are sent in cross-site requests.
     *
     * Cookies are used by many load-balancers for sticky sessions which is
     * required when your app is deployed with multiple servers.
     */
    withCredentials?: boolean;
}
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