export interface Transport {
    id: string;
    connect(): Promise<void>;
    disconnect(): Promise<void>;
    send(data: Uint8Array): Promise<void>;
    onData?: (data: Uint8Array) => void;
    onError?: (error: Error) => void;
    onClose?: () => void;
}
export interface TransportCallbacks {
    onWrite?: (data: Uint8Array) => void;
    onClose?: () => void;
}
/**
 * WebSocketTransport implements Transport over WebSocket
 */
export declare class WebSocketTransport implements Transport {
    id: string;
    private ws;
    private url;
    private protocols?;
    private callbacks;
    onData?: (data: Uint8Array) => void;
    onError?: (error: Error) => void;
    onClose?: () => void;
    constructor(id: string, url: string, protocols?: string | string[]);
    connect(): Promise<void>;
    disconnect(): Promise<void>;
    send(data: Uint8Array): Promise<void>;
    setCallbacks(callbacks: TransportCallbacks): void;
}
/**
 * CustomTransport allows implementing custom transport mechanisms
 */
export declare class CustomTransport implements Transport {
    id: string;
    private isConnected;
    onData?: (data: Uint8Array) => void;
    onError?: (error: Error) => void;
    onClose?: () => void;
    private connectImpl?;
    private disconnectImpl?;
    private sendImpl?;
    constructor(id: string, connectImpl?: () => Promise<void>, disconnectImpl?: () => Promise<void>, sendImpl?: (data: Uint8Array) => Promise<void>);
    connect(): Promise<void>;
    disconnect(): Promise<void>;
    send(data: Uint8Array): Promise<void>;
    injectData(data: Uint8Array): void;
}
/**
 * TransportManager manages the bridge between JavaScript transports and WASM
 */
export declare class TransportManager {
    private static instance;
    private transports;
    private wasmInstance;
    private constructor();
    static getInstance(): TransportManager;
    setWasmInstance(wasmInstance: any): void;
    createTransport(transport: Transport): Promise<void>;
    closeTransport(id: string): Promise<void>;
    getTransport(id: string): Transport | undefined;
}
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