import type { MastraMemory } from '@mastra/core/memory';
export interface VoiceThreadArgs {
    memory: MastraMemory;
    threadId: string;
    resourceId: string;
}
/**
 * Creates the call's memory thread up front when it doesn't exist yet, titled and tagged
 * so it reads as a voice call in Studio's thread list instead of an untitled thread that
 * only appears after the first exchange.
 */
export declare function ensureVoiceCallThread({ memory, threadId, resourceId, roomName, }: VoiceThreadArgs & {
    roomName: string;
}): Promise<void>;
/**
 * Persists the spoken greeting as an assistant message. The greeting is spoken via TTS
 * without going through the Mastra agent, so without this the saved thread would start
 * at the caller's first words instead of being a faithful call transcript.
 */
export declare function persistSpokenGreeting({ memory, threadId, resourceId, greeting, }: VoiceThreadArgs & {
    greeting: string;
}): Promise<void>;
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