/**
 * Copyright (c) Double Symmetry GmbH
 * Commercial use requires a license. See https://rntp.dev/pricing
 */
type Listener = (payload: unknown) => void;
export interface EventSubscription {
    remove(): void;
}
/**
 * Minimal typed event emitter for the web backend. `src/audio.ts` routes
 * `addEventListener` here on web instead of `NativeEventEmitter`, so events
 * work regardless of react-native-web's emitter internals.
 */
export declare class EventBus {
    private listeners;
    addListener(event: string, listener: Listener): EventSubscription;
    emit(event: string, payload: unknown): void;
    removeAllListeners(): void;
}
export {};
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