import type { SFUConnectionState } from "../types/SFU.js";
export interface SFUConnectionStateInternal {
    state: SFUConnectionState;
    roomId: string | null;
    serverId: string | null;
    error: string | null;
    /**
     * How long this SFU lets one person sit alone before it ends the call, in seconds. Zero
     * means it does not; null means it did not say — an older one sent a sentence.
     */
    callAloneTimeoutSeconds: number | null;
}
export interface RoomAccessData {
    room_id: string;
    join_token: unknown;
    sfu_url: string;
    sfu_urls?: string[];
    timestamp: number;
}
/** A room request refused with no `retryAfterMs`. Asking again gets the same answer. */
export declare class RoomRefusal extends Error {
    readonly reason: string;
    constructor(reason: string);
}