/** State of the voice manager */
export type VoiceState = 'inactive' | 'active' | 'muted';
/**
 * WebRTC mesh voice manager.
 *
 * Handles microphone capture, peer-to-peer audio connections,
 * and SDP/ICE signaling relay. Mesh topology — each participant
 * connects directly to every other participant (suitable for <8 peers).
 */
export declare class VoiceManager {
    private localStream;
    private peers;
    private state;
    private sendSignal;
    constructor(sendSignal: (targetUserId: string, sdp?: string, candidate?: string) => void);
    /** Get current voice state */
    getState(): VoiceState;
    /** Start voice — request microphone and begin connections */
    start(): Promise<void>;
    /** Toggle mute on/off */
    toggleMute(): void;
    /** Whether voice is currently active (active or muted) */
    isActive(): boolean;
    /** Whether mic is currently muted */
    isMuted(): boolean;
    /**
     * Initiate a WebRTC connection to a peer (caller side).
     * Creates an offer and sends it via signaling.
     */
    connectToPeer(peerId: string): Promise<void>;
    /**
     * Handle an incoming voice signal (SDP offer/answer or ICE candidate).
     */
    handleSignal(fromUserId: string, sdp?: string, candidate?: string): Promise<void>;
    /** Remove a peer connection (when peer leaves) */
    removePeer(peerId: string): void;
    /** Stop voice — release microphone and close all connections */
    stop(): void;
    /** Get the number of active peer connections */
    getPeerCount(): number;
    /** Clean up everything */
    dispose(): void;
    private createPeerConnection;
}
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