/**
 * [INPUT]: Depends on persisted BizMuse ai_task result shapes from Vidu and generic providers.
 * [OUTPUT]: Exports extractTaskMedia for stable video/cover URL projection across provider payload variants.
 * [POS]: packages/mcp result-normalization seam shared by task status and result tools.
 * [PROTOCOL]: 变更时更新此头部，然后检查 AGENTS.md
 */
interface TaskMedia {
    coverUrl?: string;
    duration?: number;
    videoUrl?: string;
}
export declare function extractTaskMedia(value: unknown): TaskMedia;
export {};
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