export declare function refinementCacheKey(prompt: string, duration: number, isI2V: boolean, sceneDescription: string): string;
export declare function getCachedRefinement(key: string): string | undefined;
export declare function setCachedRefinement(key: string, value: string): void;
export declare function dedupeRefinement(key: string, factory: () => Promise<string>): Promise<string>;
export declare function audioIdCacheKey(composedPrompt: string): string;
export declare function getCachedAudioIdFormat(key: string): string | undefined;
export declare function setCachedAudioIdFormat(key: string, value: string): void;
export declare function dedupeAudioIdFormat(key: string, factory: () => Promise<string>): Promise<string>;
export declare function clearPromptRefinementCaches(): void;
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