import * as plugins from './plugins.js';
type TConnection = Awaited<ReturnType<plugins.browserRuntime.BrowserRuntimeLease['openDevTools']>>;
type TOpenOptions = Parameters<plugins.browserRuntime.BrowserRuntimeLease['openDevTools']>[0];
/** Owns both inspector streams, including partially constructed and late-opening sessions. */
export declare class ControllerBrowserDevToolsTransport {
    readonly tabId: string;
    private readonly parentSignal;
    readonly id: string;
    readonly identity: symbol;
    readonly abortController: AbortController;
    commands?: plugins.typedrequestInterfaces.TVirtualStream<'receive'>;
    events?: plugins.typedrequestInterfaces.TVirtualStream<'send'>;
    private opening?;
    private connection?;
    private drain?;
    private pending;
    private eventWrites;
    private eventAdmission;
    private readonly eventBuffer;
    private eventBufferBytes;
    private eventFlush?;
    private eventFlushImmediate?;
    private settlement?;
    private timer?;
    constructor(tabId: string, parentSignal: AbortSignal);
    private parentAborted;
    open(open: (options: TOpenOptions) => Promise<TConnection>): Promise<TConnection>;
    /** Start only after both stream descriptors exist; the RPC returns before they open. */
    start(): void;
    watchStream(stream: plugins.typedrequestInterfaces.TVirtualStream<'send' | 'receive'>): void;
    private receiveCommands;
    private sendEvent;
    private scheduleEventFlush;
    private flushEvents;
    stop(reason: unknown): void;
    close(reason?: Error): Promise<void>;
}
export {};