import type { ApiClient } from "./api-client.js";
import type { SubscriptionStatus } from "./api-types.js";
export type { SubscriptionStatus };
export interface CloudTtsResult {
    audio: ArrayBuffer;
    format: "mp3";
    /** Actual duration in seconds, from server */
    durationS: number;
}
/**
 * Generate audio via the demofly cloud TTS endpoint.
 * Returns raw MP3 bytes on success, with actual duration from server.
 */
export declare function generateCloudAudio(text: string, voiceId: string, provider: string, apiClient: ApiClient, options?: {
    speed?: number;
}): Promise<CloudTtsResult>;
/**
 * Check the current user's subscription status.
 */
export declare function getSubscriptionStatus(apiClient: ApiClient): Promise<SubscriptionStatus>;
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