export declare const TextToSpeechModel: {
    readonly BulbulV2: "bulbul:v2";
    readonly BulbulV3: "bulbul:v3";
    readonly BulbulV4Flash: "bulbul:v4-flash";
};
export type TextToSpeechModel = (typeof TextToSpeechModel)[keyof typeof TextToSpeechModel];