import type { MiddlewareCtx, SpeechActivityState, Listener } from '../types';
declare class SpeechActivityStore {
    private state;
    private listeners;
    get(): SpeechActivityState;
    subscribe(fn: Listener): () => boolean;
    private emit;
    setUserSpeaking(v: boolean): void;
    setAssistantSpeaking(v: boolean): void;
    setInputBuffered(v: boolean): void;
    setOutputBuffered(v: boolean): void;
}
export declare const speechActivityStore: SpeechActivityStore;
export type SpeechActivityStoreType = typeof speechActivityStore;
export declare function createSpeechActivityMiddleware(store?: SpeechActivityStore): ({ event }: MiddlewareCtx) => void;
export {};
//# sourceMappingURL=speechMiddleware.d.ts.map