import { Context, InternalMethods } from "@elimeleth/vct-flow";
export declare class OpenAITTS {
    static fn(input: string, outputDir?: string, voice?: "alloy" | "echo" | "fable" | "onyx" | "nova" | "shimmer", model?: 'tts-1' | 'tts-1-hd'): Promise<string>;
    static layer(text: string): (ctx: Context, { extensions: { provider } }: InternalMethods<any>) => Promise<void>;
}
export declare class ElebenLabsAITTS {
    static fn(input: string, outputDir?: string): Promise<string>;
    static layer(text: string): (ctx: Context, { extensions: { provider } }: InternalMethods<any>) => Promise<void>;
}