export interface IRemoteTunnelSession {
    readonly providerId: string;
    readonly sessionId: string;
    readonly accountLabel: string;
    readonly token?: string;
}
export interface ActiveTunnelMode {
    readonly active: true;
    readonly session: IRemoteTunnelSession;
    readonly asService: boolean;
}
export interface InactiveTunnelMode {
    readonly active: false;
}
export declare const INACTIVE_TUNNEL_MODE: InactiveTunnelMode;
/** Saved mode for the tunnel. */
export type TunnelMode = ActiveTunnelMode | InactiveTunnelMode;
export type TunnelStatus = TunnelStates.Connected | TunnelStates.Disconnected | TunnelStates.Connecting | TunnelStates.Uninitialized;
export declare namespace TunnelStates {
    interface Uninitialized {
        readonly type: "uninitialized";
    }
    interface Connecting {
        readonly type: "connecting";
        readonly progress?: string;
    }
    interface Connected {
        readonly type: "connected";
        readonly info: ConnectionInfo;
        readonly serviceInstallFailed: boolean;
    }
    interface Disconnected {
        readonly type: "disconnected";
        readonly onTokenFailed?: IRemoteTunnelSession;
    }
    const disconnected: (onTokenFailed?: IRemoteTunnelSession) => Disconnected;
    const connected: (info: ConnectionInfo, serviceInstallFailed: boolean) => Connected;
    const connecting: (progress?: string) => Connecting;
    const uninitialized: Uninitialized;
}
export interface ConnectionInfo {
    link?: string;
    domain?: string;
    tunnelName: string;
    tunnelId?: string;
    isAttached: boolean;
}
export declare const CONFIGURATION_KEY_PREFIX = "remote.tunnels.access";
export declare const CONFIGURATION_KEY_HOST_NAME: string;
export declare const CONFIGURATION_KEY_PREVENT_SLEEP: string;
/** Maximum length of a dev tunnel name, matching `MAX_TUNNEL_NAME_LENGTH` in the CLI's `cli/src/tunnels/dev_tunnels.rs`. */
export declare const MAX_TUNNEL_NAME_LENGTH = 20;
/**
 * Derive a dev tunnel name from a machine's host name, mirroring
 * `clean_hostname_for_tunnel` and `get_placeholder_name` in the CLI's
 * `cli/src/tunnels/dev_tunnels.rs`: `-`, `_` and spaces all collapse to `-`,
 * anything non-alphanumeric is dropped, and dashes are trimmed from both ends.
 *
 * `code tunnel` and in-editor remote session hosting must derive the same name
 * for a machine, otherwise each registers its own dev tunnel for it.
 */
export declare function tunnelNameFromHostname(hostname: string): string;
/**
 * Normalize an explicitly configured tunnel name. The CLI only lowercases and
 * validates a name the user supplied rather than rewriting it (`is_valid_name`),
 * so the sanitization here stays minimal; host names go through
 * {@link tunnelNameFromHostname} instead.
 */
export declare function normalizeTunnelName(name: string): string;
export declare const LOG_ID = "remoteTunnelService";
export declare const LOGGER_NAME: string;