export type StreamEvent = {
    type: 'stream';
    port: number;
};
export type PlayEvent = {
    type: 'play';
};
export type FlushEvent = {
    type: 'flush';
};
export type PauseEvent = {
    type: 'pause';
};
export type StopEvent = {
    type: 'stop';
};
export type VolumeEvent = {
    type: 'volume';
    value: number;
};
export type MetadataEvent = {
    type: 'metadata';
    title?: string;
    artist?: string;
    album?: string;
    durationMs?: number;
    elapsedMs?: number;
};
export type RemoteCommand = 'play' | 'pause' | 'stop' | 'next' | 'prev' | 'previous';
export type SenderCommand = 'play' | 'pause' | 'stop' | 'flush';
export type ArtworkEvent = {
    type: 'artwork';
    title?: string;
    artist?: string;
    album?: string;
    data: Buffer;
};
export type PcmEvent = {
    type: 'pcm';
    sampleRate: number;
    channels: number;
    data: Buffer;
};
export type RaopEvent = StreamEvent | PlayEvent | FlushEvent | PauseEvent | StopEvent | VolumeEvent | MetadataEvent | ArtworkEvent | PcmEvent;
export type EventHandler = (event: RaopEvent) => void;
export type ReceiverOptions = {
    name?: string;
    model?: string;
    mac?: string;
    latencies?: string;
    metadata?: boolean;
    portBase?: number;
    portRange?: number;
    host?: string;
};
export type SenderOptions = {
    target: string;
    port?: number;
    /** Wire codec. Real AirPlay/RAOP devices generally require 'alac' (default); 'pcm' for receivers that accept raw PCM. */
    codec?: 'alac' | 'pcm';
    sampleRate?: number;
    channels?: number;
    sampleSize?: number;
    frameLength?: number;
    latencyFrames?: number;
    volume?: number;
    dacpId?: string;
    activeRemote?: string;
    et?: string;
    md?: string;
    auth?: boolean;
    secret?: string;
    passwd?: string;
    local?: string;
};
export type SenderMetadata = {
    title?: string;
    artist?: string;
    album?: string;
};
export type SendResult = {
    sent: boolean;
    playtime?: number;
    queuedFrames: number;
    queueSize: number;
    latencyFrames: number;
    reason?: 'not-ready' | 'disconnected';
};
export type LogLevel = 'error' | 'warn' | 'info' | 'debug' | 'sdebug';
export type LogEntry = {
    level: LogLevel;
    source: string;
    timestamp: number;
    line: string;
};
export type SenderState = {
    connected: boolean;
    queuedFrames?: number;
    queueSize?: number;
    latencyFrames?: number;
};